KDP Intelligence
499 Kindle Categories, Ranked by Opportunity
Every category report on one page: ease-of-entry score, how defended the top 20 is, and which quadrant each category lands in. Start from your genre, shortlist by score, then open the deep-dive for breakout books and price bands.
Low demandOpportunityFortressMiddle
499-category landscape statisticsComputers & Technology
18 categories
Graphic Design95.0
MiddleSubcategoryStagnantmedian 40 reviews · 100% weak top 20
Computerized Home & Entertainment88.5
Low demandSubcategoryStagnantmedian 1 reviews · 95% weak top 20
Interactive & Multimedia80.0
Low demandSubcategoryStagnantmedian 4 reviews · 90% weak top 20
Digital Media75.0
Low demandSubcategoryStagnantmedian 5 reviews · 70% weak top 20
Embedded Computer Systems75.0
Low demandSubcategoryStagnantmedian 1 reviews · 90% weak top 20
Computers & Technology72.0
OpportunityTop-levelmedian 122 reviews · 70% weak top 20
Hardware69.5
Low demandSubcategoryStagnantmedian 29 reviews · 65% weak top 20
Tech Culture & Computer Literacy65.0
MiddleSubcategoryStagnantmedian 68 reviews · 50% weak top 20
Web Development63.0
Low demandSubcategoryStagnantmedian 12 reviews · 60% weak top 20
Operating Systems62.5
Low demandSubcategoryStagnantmedian 17 reviews · 55% weak top 20
Applications & Software61.5
MiddleSubcategoryStagnantmedian 49 reviews · 55% weak top 20
Computer Science56.5
OpportunitySubcategorymedian 332 reviews · 45% weak top 20
Security & Encryption56.0
MiddleSubcategoryStagnantmedian 58 reviews · 50% weak top 20
Networking & Communications54.5
OpportunitySubcategorymedian 101 reviews · 45% weak top 20
Programming54.5
OpportunitySubcategorymedian 253 reviews · 45% weak top 20
Certification, Training & Reference51.0
MiddleSubcategoryStagnantmedian 10 reviews · 40% weak top 20
Databases47.5
MiddleSubcategoryStagnantmedian 48 reviews · 35% weak top 20
Business40.0
MiddleSubcategorymedian 278 reviews · 20% weak top 20
Arts & Photography
14 categories
Disability92.0
Low demandSubcategoryStagnantmedian 1 reviews · 100% weak top 20
Art Movements64.0
OpportunitySubcategorymedian 246 reviews · 50% weak top 20
Dance61.5
MiddleSubcategoryStagnantmedian 75 reviews · 55% weak top 20
Architecture57.5
OpportunitySubcategorymedian 241 reviews · 45% weak top 20
Arts & Photography49.5
OpportunityTop-levelmedian 573 reviews · 35% weak top 20
Fashion49.5
OpportunitySubcategorymedian 206 reviews · 35% weak top 20
Music48.5
OpportunitySubcategorymedian 860 reviews · 35% weak top 20
Photography48.0
OpportunitySubcategorymedian 145 reviews · 30% weak top 20
Individual Artists42.0
MiddleSubcategorymedian 192 reviews · 20% weak top 20
Art39.5
MiddleSubcategorymedian 745 reviews · 15% weak top 20
Performing Arts38.5
MiddleSubcategorymedian 337 reviews · 15% weak top 20
Graphic Design8.5
MiddleSubcategorymedian 511 reviews · 15% weak top 20
Theater7.5
MiddleSubcategorymedian 479 reviews · 15% weak top 20
Regional2.5
MiddleSubcategorymedian 295 reviews · 5% weak top 20
Science & Math
20 categories
Physics59.5
OpportunitySubcategorymedian 390 reviews · 55% weak top 20
Education58.0
MiddleSubcategoryStagnantmedian 86 reviews · 50% weak top 20
Mathematics57.0
OpportunitySubcategorymedian 183 reviews · 50% weak top 20
Ethics55.0
Low demandSubcategoryStagnantmedian 14 reviews · 50% weak top 20
Experiments, Instruments & Measurement53.5
OpportunitySubcategorymedian 110 reviews · 45% weak top 20
Agricultural Sciences51.0
OpportunitySubcategorymedian 379 reviews · 40% weak top 20
Earth Sciences49.5
OpportunitySubcategorymedian 507 reviews · 35% weak top 20
Essays & Commentary49.5
OpportunitySubcategorymedian 314 reviews · 35% weak top 20
Reference49.5
OpportunitySubcategorymedian 624 reviews · 35% weak top 20
Chemistry48.5
OpportunitySubcategorymedian 100 reviews · 35% weak top 20
History & Philosophy48.5
OpportunitySubcategorymedian 865 reviews · 35% weak top 20
Technology48.5
OpportunitySubcategorymedian 499 reviews · 35% weak top 20
Astronomy & Space Science47.5
OpportunitySubcategorymedian 473 reviews · 35% weak top 20
Science & Math47.0
OpportunityTop-levelmedian 827 reviews · 30% weak top 20
Environment46.0
OpportunitySubcategorymedian 859 reviews · 30% weak top 20
Genetics45.0
OpportunitySubcategorymedian 360 reviews · 30% weak top 20
Nature & Ecology42.0
MiddleSubcategorymedian 797 reviews · 20% weak top 20
Evolution40.0
MiddleSubcategorymedian 797 reviews · 20% weak top 20
Biological Sciences36.0
FortressSubcategorymedian 1,730 reviews · 10% weak top 20
Behavioral Sciences5.0
FortressSubcategorymedian 2,523 reviews · 10% weak top 20
Sports & Outdoors
22 categories
Individual Sports59.0
OpportunitySubcategorymedian 299 reviews · 50% weak top 20
Softball59.0
MiddleSubcategoryStagnantmedian 39 reviews · 50% weak top 20
Soccer58.0
MiddleSubcategoryStagnantmedian 53 reviews · 50% weak top 20
Poker54.0
OpportunitySubcategorymedian 100 reviews · 40% weak top 20
Training50.5
OpportunitySubcategorymedian 437 reviews · 35% weak top 20
Baseball50.0
OpportunitySubcategorymedian 342 reviews · 30% weak top 20
Water Sports48.5
OpportunitySubcategorymedian 602 reviews · 35% weak top 20
Racket Sports45.0
OpportunitySubcategorymedian 209 reviews · 30% weak top 20
Hockey43.5
OpportunitySubcategorymedian 2,536 reviews · 25% weak top 20
Miscellaneous43.5
OpportunitySubcategorymedian 509 reviews · 25% weak top 20
Sports & Outdoors43.5
OpportunityTop-levelmedian 3,185 reviews · 25% weak top 20
Football (American)42.0
MiddleSubcategorymedian 730 reviews · 20% weak top 20
Extreme Sports41.0
MiddleSubcategorymedian 333 reviews · 20% weak top 20
Coaching37.5
MiddleSubcategorymedian 540 reviews · 15% weak top 20
Golf37.5
MiddleSubcategorymedian 380 reviews · 15% weak top 20
Mountaineering35.0
FortressSubcategorymedian 626 reviews · 10% weak top 20
Basketball11.0
MiddleSubcategorymedian 222 reviews · 20% weak top 20
Other Team Sports11.0
MiddleSubcategorymedian 358 reviews · 20% weak top 20
Rodeos6.0
MiddleSubcategorymedian 355 reviews · 10% weak top 20
Winter Sports6.0
FortressSubcategorymedian 733 reviews · 10% weak top 20
Olympics & Paralympics5.0
MiddleSubcategorymedian 401 reviews · 10% weak top 20
Outdoors & Nature3.5
FortressSubcategorymedian 1,274 reviews · 5% weak top 20
Crafts, Hobbies & Home
9 categories
Crafts, Hobbies & Home70.5
MiddleTop-levelStagnantmedian 58 reviews · 65% weak top 20
Interior Design66.5
MiddleSubcategoryStagnantmedian 85 reviews · 65% weak top 20
How-to & Home Improvements63.5
MiddleSubcategoryStagnantmedian 63 reviews · 55% weak top 20
Weddings58.5
OpportunitySubcategorymedian 145 reviews · 45% weak top 20
Gardening & Horticulture52.0
OpportunitySubcategorymedian 836 reviews · 40% weak top 20
Home Design51.5
OpportunitySubcategorymedian 360 reviews · 35% weak top 20
Crafts & Hobbies49.0
OpportunitySubcategorymedian 479 reviews · 30% weak top 20
Animal Care & Pets46.0
OpportunitySubcategorymedian 867 reviews · 30% weak top 20
Antiques & Collectibles41.0
MiddleSubcategorymedian 193 reviews · 20% weak top 20
Romance
41 categories
Love Triangle58.5
OpportunitySubcategorymedian 225 reviews · 45% weak top 20
Amish & Mennonite57.5
OpportunitySubcategorymedian 101 reviews · 45% weak top 20
Indigenous53.5
OpportunitySubcategorymedian 156 reviews · 35% weak top 20
Collections & Anthologies48.0
OpportunitySubcategorymedian 5,934 reviews · 30% weak top 20
Later in Life45.5
OpportunitySubcategorymedian 305 reviews · 25% weak top 20
Time Travel45.5
OpportunitySubcategorymedian 1,598 reviews · 25% weak top 20
Second Chances42.0
MiddleSubcategorymedian 230 reviews · 20% weak top 20
Adaptations41.0
MiddleSubcategorymedian 303 reviews · 20% weak top 20
Multicultural & Interracial41.0
MiddleSubcategorymedian 6,928 reviews · 20% weak top 20
Hispanic & Latino38.5
MiddleSubcategorymedian 279 reviews · 15% weak top 20
Medical38.5
MiddleSubcategorymedian 1,037 reviews · 15% weak top 20
Clean & Wholesome36.0
FortressSubcategorymedian 555 reviews · 10% weak top 20
Historical Romance36.0
FortressSubcategorymedian 3,137 reviews · 10% weak top 20
Paranormal35.0
FortressSubcategorymedian 3,457 reviews · 10% weak top 20
Romantasy35.0
FortressSubcategorymedian 65,503 reviews · 10% weak top 20
Holidays33.5
FortressSubcategorymedian 757 reviews · 5% weak top 20
Rockstar Romance33.5
FortressSubcategorymedian 2,256 reviews · 5% weak top 20
Military32.5
FortressSubcategorymedian 5,053 reviews · 5% weak top 20
New Adult & College Romance32.5
FortressSubcategorymedian 28,673 reviews · 5% weak top 20
Romance32.5
FortressTop-levelmedian 2,043 reviews · 5% weak top 20
Friends to Lovers9.5
MiddleSubcategorymedian 2,747 reviews · 15% weak top 20
Alpha Male8.5
MiddleSubcategorymedian 1,643 reviews · 15% weak top 20
Action & Adventure7.0
FortressSubcategorymedian 3,791 reviews · 10% weak top 20
Fake Dating6.0
FortressSubcategorymedian 1,219 reviews · 10% weak top 20
Firefighters6.0
FortressSubcategorymedian 1,565 reviews · 10% weak top 20
Western & Frontier6.0
FortressSubcategorymedian 7,242 reviews · 10% weak top 20
Enemies to Lovers5.0
FortressSubcategorymedian 3,750 reviews · 10% weak top 20
Romance5.0
MiddleSubcategorymedian 376 reviews · 10% weak top 20
Billionaires & Millionaires3.5
FortressSubcategorymedian 1,707 reviews · 5% weak top 20
Contemporary2.5
FortressSubcategorymedian 1,895 reviews · 5% weak top 20
Dark Romance2.5
FortressSubcategorymedian 1,317 reviews · 5% weak top 20
Gothic2.5
FortressSubcategorymedian 4,869 reviews · 5% weak top 20
Mafia Romance2.5
FortressSubcategorymedian 1,639 reviews · 5% weak top 20
Romantic Comedy2.5
FortressSubcategorymedian 11,763 reviews · 5% weak top 20
Science Fiction2.5
FortressSubcategorymedian 2,314 reviews · 5% weak top 20
Sports2.5
FortressSubcategorymedian 30,370 reviews · 5% weak top 20
Police0.0
FortressSubcategorymedian 1,244 reviews · 0% weak top 20
Polyamory0.0
FortressSubcategorymedian 1,276 reviews · 0% weak top 20
Romantic Suspense0.0
FortressSubcategorymedian 12,101 reviews · 0% weak top 20
Small Town Romance0.0
FortressSubcategorymedian 2,618 reviews · 0% weak top 20
Workplace Romance0.0
FortressSubcategorymedian 6,550 reviews · 0% weak top 20
Travel
17 categories
Caribbean69.5
Low demandSubcategoryStagnantmedian 15 reviews · 75% weak top 20
Canada62.0
Low demandSubcategoryStagnantmedian 17 reviews · 60% weak top 20
Russia58.0
MiddleSubcategorymedian 98 reviews · 50% weak top 20
Reference52.5
OpportunitySubcategorymedian 199 reviews · 35% weak top 20
Polar Regions49.5
OpportunitySubcategorymedian 110 reviews · 35% weak top 20
Pictorial47.5
MiddleSubcategoryStagnantmedian 46 reviews · 35% weak top 20
Central & South America46.0
OpportunitySubcategorymedian 193 reviews · 30% weak top 20
Europe46.0
OpportunitySubcategorymedian 275 reviews · 30% weak top 20
Australia & South Pacific43.5
OpportunitySubcategorymedian 109 reviews · 25% weak top 20
Food, Lodging & Transportation42.5
OpportunitySubcategorymedian 118 reviews · 25% weak top 20
Asia41.0
MiddleSubcategorymedian 619 reviews · 20% weak top 20
Travel41.0
MiddleTop-levelmedian 1,596 reviews · 20% weak top 20
Travel Writing35.0
FortressSubcategorymedian 2,067 reviews · 10% weak top 20
Middle East8.5
MiddleSubcategorymedian 168 reviews · 15% weak top 20
Specialty Travel6.0
FortressSubcategorymedian 1,060 reviews · 10% weak top 20
United States6.0
FortressSubcategorymedian 753 reviews · 10% weak top 20
Africa2.5
MiddleSubcategorymedian 278 reviews · 5% weak top 20
Cookbooks, Food & Wine
21 categories
Meals66.5
MiddleSubcategoryStagnantmedian 49 reviews · 65% weak top 20
Canning & Preserving64.0
MiddleSubcategoryStagnantmedian 82 reviews · 60% weak top 20
Low Budget64.0
MiddleSubcategoryStagnantmedian 79 reviews · 60% weak top 20
Comfort Food61.5
MiddleSubcategoryStagnantmedian 78 reviews · 55% weak top 20
Drinks & Beverages57.5
OpportunitySubcategorymedian 148 reviews · 45% weak top 20
Cooking by Ingredient55.5
OpportunitySubcategorymedian 112 reviews · 45% weak top 20
Special Occasions55.0
OpportunitySubcategorymedian 134 reviews · 40% weak top 20
Baking54.5
OpportunitySubcategorymedian 114 reviews · 45% weak top 20
Media Tie-In54.0
OpportunitySubcategorymedian 284 reviews · 40% weak top 20
Vegan & Vegetarian53.5
OpportunitySubcategorymedian 236 reviews · 45% weak top 20
Special Appliances52.0
OpportunitySubcategorymedian 206 reviews · 40% weak top 20
Natural Foods50.5
OpportunitySubcategorymedian 215 reviews · 35% weak top 20
Outdoor Cooking50.5
OpportunitySubcategorymedian 122 reviews · 35% weak top 20
Cookbooks, Food & Wine47.0
OpportunityTop-levelmedian 150 reviews · 30% weak top 20
Professional Cooking46.0
OpportunitySubcategorymedian 196 reviews · 30% weak top 20
Reference46.0
OpportunitySubcategorymedian 336 reviews · 30% weak top 20
Culinary Arts & Techniques43.0
MiddleSubcategorymedian 357 reviews · 20% weak top 20
Regional & International38.5
MiddleSubcategorymedian 205 reviews · 15% weak top 20
Quick & Easy23.0
MiddleSubcategoryStagnantmedian 75 reviews · 40% weak top 20
Special Diet17.0
OpportunitySubcategorymedian 188 reviews · 30% weak top 20
Gastronomy9.5
MiddleSubcategorymedian 321 reviews · 15% weak top 20
Health, Fitness & Dieting
17 categories
Beauty, Grooming, & Style57.0
OpportunitySubcategorymedian 114 reviews · 50% weak top 20
Teen Health55.5
OpportunitySubcategorymedian 108 reviews · 45% weak top 20
Diseases & Physical Ailments54.5
OpportunitySubcategorymedian 334 reviews · 45% weak top 20
Personal Health54.5
OpportunitySubcategorymedian 1,025 reviews · 45% weak top 20
Exercise & Fitness47.0
OpportunitySubcategorymedian 396 reviews · 30% weak top 20
Nutrition45.0
OpportunitySubcategorymedian 788 reviews · 30% weak top 20
Safety & First Aid41.0
MiddleSubcategorymedian 106 reviews · 20% weak top 20
Diets & Weight Loss39.5
MiddleSubcategorymedian 881 reviews · 15% weak top 20
Reference37.5
MiddleSubcategorymedian 467 reviews · 15% weak top 20
Relationships37.5
MiddleSubcategorymedian 4,562 reviews · 15% weak top 20
Health, Fitness & Dieting35.0
FortressTop-levelmedian 2,560 reviews · 10% weak top 20
Counseling & Psychology32.5
FortressSubcategorymedian 4,572 reviews · 5% weak top 20
Sports Health & Safety15.0
MiddleSubcategoryStagnantmedian 69 reviews · 30% weak top 20
Alternative Medicine13.5
OpportunitySubcategorymedian 469 reviews · 25% weak top 20
Death & Grief5.0
FortressSubcategorymedian 1,751 reviews · 10% weak top 20
Sex5.0
MiddleSubcategorymedian 201 reviews · 10% weak top 20
Addiction & Recovery0.0
FortressSubcategorymedian 2,825 reviews · 0% weak top 20
Politics & Social Sciences
6 categories
Social Sciences56.5
OpportunitySubcategorymedian 600 reviews · 45% weak top 20
Politics & Social Sciences49.0
OpportunityTop-levelmedian 422 reviews · 30% weak top 20
Politics & Government47.5
OpportunitySubcategorymedian 276 reviews · 35% weak top 20
Crime & Criminals2.5
FortressSubcategorymedian 1,752 reviews · 5% weak top 20
Philosophy2.5
FortressSubcategorymedian 3,499 reviews · 5% weak top 20
Women's Studies2.5
FortressSubcategorymedian 1,893 reviews · 5% weak top 20
Parenting & Relationships
11 categories
Family Health59.0
MiddleSubcategoryStagnantmedian 51 reviews · 50% weak top 20
Literature Guides54.5
OpportunitySubcategorymedian 150 reviews · 45% weak top 20
Family Activities47.0
OpportunitySubcategorymedian 269 reviews · 30% weak top 20
Adoption40.0
MiddleSubcategorymedian 597 reviews · 20% weak top 20
Aging Parents & Eldercare38.5
MiddleSubcategorymedian 457 reviews · 15% weak top 20
Family Relationships35.0
MiddleSubcategorymedian 285 reviews · 10% weak top 20
Disabilities & Hyperactivity32.5
FortressSubcategorymedian 536 reviews · 5% weak top 20
Parenting32.5
FortressSubcategorymedian 3,686 reviews · 5% weak top 20
Reference12.0
MiddleSubcategorymedian 667 reviews · 20% weak top 20
Fertility & Infertility8.5
MiddleSubcategorymedian 168 reviews · 15% weak top 20
Parenting & Relationships5.0
MiddleTop-levelmedian 395 reviews · 10% weak top 20
Business & Money
23 categories
Green Business68.5
MiddleSubcategoryStagnantmedian 38 reviews · 75% weak top 20
Bitcoin & Cryptocurrencies56.0
Low demandSubcategoryStagnantmedian 14 reviews · 50% weak top 20
Real Estate53.5
OpportunitySubcategorymedian 223 reviews · 35% weak top 20
Women & Business51.0
OpportunitySubcategorymedian 397 reviews · 40% weak top 20
Industries48.0
OpportunitySubcategorymedian 551 reviews · 30% weak top 20
Organizational Behavior46.0
OpportunitySubcategorymedian 1,830 reviews · 30% weak top 20
Biography & History43.5
OpportunitySubcategorymedian 1,620 reviews · 25% weak top 20
Marketing & Sales42.0
MiddleSubcategorymedian 1,677 reviews · 20% weak top 20
Business & Money41.0
MiddleTop-levelmedian 4,519 reviews · 20% weak top 20
Economics41.0
MiddleSubcategorymedian 1,185 reviews · 20% weak top 20
Business Life38.5
MiddleSubcategorymedian 5,329 reviews · 15% weak top 20
Investing38.5
MiddleSubcategorymedian 1,525 reviews · 15% weak top 20
Management & Leadership38.5
MiddleSubcategorymedian 5,006 reviews · 15% weak top 20
Taxation38.5
MiddleSubcategorymedian 161 reviews · 15% weak top 20
Education & Reference37.0
FortressSubcategorymedian 2,694 reviews · 10% weak top 20
Skills36.0
FortressSubcategorymedian 2,892 reviews · 10% weak top 20
Business Development & Entrepreneurship35.0
FortressSubcategorymedian 1,156 reviews · 10% weak top 20
International35.0
FortressSubcategorymedian 655 reviews · 10% weak top 20
Technology35.0
FortressSubcategorymedian 1,249 reviews · 10% weak top 20
Job Hunting & Careers21.5
OpportunitySubcategorymedian 2,335 reviews · 35% weak top 20
Personal Finance11.0
MiddleSubcategorymedian 1,079 reviews · 20% weak top 20
Accounting8.5
MiddleSubcategorymedian 454 reviews · 15% weak top 20
Finance0.0
FortressSubcategorymedian 2,478 reviews · 0% weak top 20
Children's eBooks
23 categories
History53.5
OpportunitySubcategorymedian 248 reviews · 35% weak top 20
Geography & Cultures45.5
OpportunitySubcategorymedian 1,595 reviews · 25% weak top 20
Holidays & Celebrations45.5
OpportunitySubcategorymedian 1,252 reviews · 25% weak top 20
Education & Reference43.5
OpportunitySubcategorymedian 894 reviews · 25% weak top 20
Biographies42.5
OpportunitySubcategorymedian 828 reviews · 25% weak top 20
Science, Nature & How It Works40.0
MiddleSubcategorymedian 1,004 reviews · 20% weak top 20
Animals38.5
MiddleSubcategorymedian 2,642 reviews · 15% weak top 20
Arts, Music & Photography38.5
MiddleSubcategorymedian 808 reviews · 15% weak top 20
Humor38.5
MiddleSubcategorymedian 766 reviews · 15% weak top 20
Mysteries & Detectives38.5
MiddleSubcategorymedian 4,170 reviews · 15% weak top 20
Religions38.5
MiddleSubcategorymedian 389 reviews · 15% weak top 20
Computers & Technology37.5
MiddleSubcategorymedian 298 reviews · 15% weak top 20
Early Learning35.0
FortressSubcategorymedian 1,020 reviews · 10% weak top 20
Children's eBooks33.5
FortressTop-levelmedian 5,047 reviews · 5% weak top 20
Literature & Fiction33.5
FortressSubcategorymedian 4,828 reviews · 5% weak top 20
Fairy Tales, Folk Tales & Myths9.5
MiddleSubcategorymedian 6,219 reviews · 15% weak top 20
Sports & Outdoors7.5
MiddleSubcategorymedian 862 reviews · 15% weak top 20
Cars, Trains & Things That Go2.5
FortressSubcategorymedian 687 reviews · 5% weak top 20
Comics & Graphic Novels2.5
FortressSubcategorymedian 3,650 reviews · 5% weak top 20
Action & Adventure0.0
FortressSubcategorymedian 12,983 reviews · 0% weak top 20
Activities, Crafts & Games0.0
FortressSubcategorymedian 2,228 reviews · 0% weak top 20
Growing Up & Facts of Life0.0
FortressSubcategorymedian 2,821 reviews · 0% weak top 20
Science Fiction, Fantasy & Scary Stories0.0
FortressSubcategorymedian 13,040 reviews · 0% weak top 20
Humor & Entertainment
7 categories
Radio57.0
MiddleSubcategoryStagnantmedian 64 reviews · 50% weak top 20
Movies & Video53.5
OpportunitySubcategorymedian 221 reviews · 35% weak top 20
Television47.5
OpportunitySubcategorymedian 1,840 reviews · 35% weak top 20
Activities, Puzzles & Games40.0
MiddleSubcategorymedian 1,126 reviews · 20% weak top 20
Humor & Entertainment37.5
MiddleTop-levelmedian 1,287 reviews · 15% weak top 20
Pop Culture37.0
FortressSubcategorymedian 770 reviews · 10% weak top 20
Humor2.5
FortressSubcategorymedian 2,230 reviews · 5% weak top 20
History
24 categories
Hispanic & Latino78.0
Low demandSubcategoryStagnantmedian 3 reviews · 80% weak top 20
History53.0
OpportunitySubcategorymedian 278 reviews · 40% weak top 20
Australia & Oceania44.5
OpportunitySubcategorymedian 321 reviews · 25% weak top 20
Science & Medicine44.5
OpportunitySubcategorymedian 1,367 reviews · 25% weak top 20
Middle East42.5
OpportunitySubcategorymedian 498 reviews · 25% weak top 20
Americas40.0
MiddleSubcategorymedian 526 reviews · 20% weak top 20
United States40.0
MiddleSubcategorymedian 467 reviews · 20% weak top 20
World38.5
MiddleSubcategorymedian 1,001 reviews · 15% weak top 20
Ancient Civilizations36.0
FortressSubcategorymedian 616 reviews · 10% weak top 20
Historical36.0
FortressSubcategorymedian 2,216 reviews · 10% weak top 20
Russia35.0
FortressSubcategorymedian 1,023 reviews · 10% weak top 20
Women in History35.0
FortressSubcategorymedian 3,646 reviews · 10% weak top 20
Modern (16th-21st Centuries)32.5
FortressSubcategorymedian 691 reviews · 5% weak top 20
Africa12.0
MiddleSubcategorymedian 542 reviews · 20% weak top 20
Europe11.0
MiddleSubcategorymedian 747 reviews · 20% weak top 20
History7.5
MiddleTop-levelmedian 718 reviews · 15% weak top 20
Religion7.5
MiddleSubcategorymedian 1,101 reviews · 15% weak top 20
Maritime History & Piracy3.5
FortressSubcategorymedian 539 reviews · 5% weak top 20
Asia2.5
FortressSubcategorymedian 991 reviews · 5% weak top 20
Historical Study2.5
FortressSubcategorymedian 840 reviews · 5% weak top 20
Social & Cultural2.5
FortressSubcategorymedian 670 reviews · 5% weak top 20
Arctic & Antarctica0.0
MiddleSubcategorymedian 229 reviews · 0% weak top 20
Indigenous0.0
FortressSubcategorymedian 715 reviews · 0% weak top 20
Military0.0
FortressSubcategorymedian 1,285 reviews · 0% weak top 20
Self-Help
30 categories
Indigenous Mental Health & Healing79.5
Low demandSubcategoryStagnantmedian 4 reviews · 95% weak top 20
Journal Writing73.0
Low demandSubcategoryStagnantmedian 29 reviews · 70% weak top 20
Inner Child57.0
MiddleSubcategoryStagnantmedian 63 reviews · 50% weak top 20
Green Lifestyle53.0
MiddleSubcategoryStagnantmedian 37 reviews · 40% weak top 20
Personal Transformation53.0
OpportunitySubcategorymedian 398 reviews · 40% weak top 20
Aging52.0
OpportunitySubcategorymedian 208 reviews · 40% weak top 20
Anger Management47.0
OpportunitySubcategorymedian 160 reviews · 30% weak top 20
Journaling46.5
OpportunitySubcategorymedian 236 reviews · 25% weak top 20
Fashion & Style46.0
OpportunitySubcategorymedian 128 reviews · 30% weak top 20
Communication & Social Skills45.5
OpportunitySubcategorymedian 3,043 reviews · 25% weak top 20
Compulsive Behavior45.0
OpportunitySubcategorymedian 128 reviews · 30% weak top 20
Memory Improvement41.0
MiddleSubcategorymedian 892 reviews · 20% weak top 20
Sexual Instruction40.0
MiddleSubcategorymedian 182 reviews · 20% weak top 20
Motivational38.5
MiddleSubcategorymedian 3,180 reviews · 15% weak top 20
Neuro-Linguistic Programming (NLP)38.5
MiddleSubcategorymedian 114 reviews · 15% weak top 20
Success37.0
FortressSubcategorymedian 5,170 reviews · 10% weak top 20
Abuse36.0
FortressSubcategorymedian 1,056 reviews · 10% weak top 20
Anxieties & Phobias36.0
FortressSubcategorymedian 792 reviews · 10% weak top 20
Emotions36.0
FortressSubcategorymedian 3,883 reviews · 10% weak top 20
Self-Esteem36.0
FortressSubcategorymedian 2,741 reviews · 10% weak top 20
Creativity35.0
FortressSubcategorymedian 1,061 reviews · 10% weak top 20
Happiness35.0
FortressSubcategorymedian 4,563 reviews · 10% weak top 20
Self-Help35.0
FortressTop-levelmedian 1,692 reviews · 10% weak top 20
Affirmations33.5
FortressSubcategorymedian 938 reviews · 5% weak top 20
Self-Management32.5
FortressSubcategorymedian 1,586 reviews · 5% weak top 20
Spiritual32.5
FortressSubcategorymedian 3,847 reviews · 5% weak top 20
Self-Hypnosis18.0
MiddleSubcategoryStagnantmedian 34 reviews · 30% weak top 20
Eating Disorders & Body Image8.5
MiddleSubcategorymedian 294 reviews · 15% weak top 20
Stress Management2.5
FortressSubcategorymedian 1,503 reviews · 5% weak top 20
Time Management2.5
FortressSubcategorymedian 1,416 reviews · 5% weak top 20
Comics, Manga & Graphic Novels
11 categories
Manhua68.5
Low demandSubcategoryStagnantmedian 1 reviews · 75% weak top 20
Graphic Novels68.0
MiddleSubcategoryStagnantmedian 30 reviews · 60% weak top 20
Superhero Graphic Novels68.0
Low demandSubcategoryStagnantmedian 21 reviews · 60% weak top 20
Science Fiction Graphic Novels62.0
MiddleSubcategoryStagnantmedian 89 reviews · 50% weak top 20
Fantasy Graphic Novels52.5
OpportunitySubcategorymedian 272 reviews · 45% weak top 20
Manga43.5
OpportunitySubcategorymedian 104 reviews · 25% weak top 20
Manhwa42.5
OpportunitySubcategorymedian 291 reviews · 25% weak top 20
Comics, Manga & Graphic Novels41.0
MiddleTop-levelmedian 2,920 reviews · 20% weak top 20
Art Books37.0
FortressSubcategorymedian 980 reviews · 10% weak top 20
Comics & Graphic Novels36.0
FortressSubcategorymedian 1,190 reviews · 10% weak top 20
Comic Strips & Cartoons33.5
FortressSubcategorymedian 565 reviews · 5% weak top 20
Reference
16 categories
Catalogs & Directories77.0
MiddleSubcategoryStagnantmedian 41 reviews · 80% weak top 20
Consumer Guides75.0
Low demandSubcategoryStagnantmedian 25 reviews · 80% weak top 20
Personal & Private Investigations70.0
Low demandSubcategoryStagnantmedian 21 reviews · 70% weak top 20
Genealogy65.5
Low demandSubcategoryStagnantmedian 25 reviews · 65% weak top 20
Signs & Symbols65.5
Low demandSubcategoryStagnantmedian 5 reviews · 65% weak top 20
Almanacs & Yearbooks63.0
MiddleSubcategoryStagnantmedian 46 reviews · 60% weak top 20
Atlases & Maps60.5
MiddleSubcategoryStagnantmedian 67 reviews · 45% weak top 20
Etiquette52.5
OpportunitySubcategorymedian 171 reviews · 35% weak top 20
Reference48.0
OpportunityTop-levelmedian 444 reviews · 30% weak top 20
Encyclopedias43.0
MiddleSubcategorymedian 174 reviews · 20% weak top 20
Writing, Research & Publishing Guides40.5
MiddleSubcategorymedian 485 reviews · 15% weak top 20
Quotations36.0
MiddleSubcategorymedian 253 reviews · 10% weak top 20
Trivia & Fun Facts36.0
MiddleSubcategorymedian 357 reviews · 10% weak top 20
Language Study & Reference23.0
OpportunitySubcategorymedian 383 reviews · 40% weak top 20
Dictionaries & Thesauruses20.0
OpportunitySubcategorymedian 258 reviews · 30% weak top 20
Words, Language & Grammar7.0
FortressSubcategorymedian 928 reviews · 10% weak top 20
Education & Teaching
6 categories
Test Preparation52.0
OpportunitySubcategorymedian 145 reviews · 40% weak top 20
Studying & Workbooks44.5
OpportunitySubcategorymedian 195 reviews · 25% weak top 20
Higher & Continuing Education43.0
MiddleSubcategorymedian 169 reviews · 20% weak top 20
Childhood Education13.5
OpportunitySubcategorymedian 355 reviews · 25% weak top 20
Teacher Resources2.5
FortressSubcategorymedian 2,316 reviews · 5% weak top 20
Education & Teaching0.0
FortressTop-levelmedian 2,424 reviews · 0% weak top 20
Law
20 categories
Dictionaries & Terminology79.0
Low demandSubcategoryStagnantmedian 10 reviews · 90% weak top 20
Intellectual Property73.0
Low demandSubcategoryStagnantmedian 20 reviews · 80% weak top 20
Legal Education73.0
Low demandSubcategoryStagnantmedian 9 reviews · 80% weak top 20
Environmental & Natural Resources Law66.0
MiddleSubcategoryStagnantmedian 31 reviews · 70% weak top 20
Media & the Law66.0
MiddleSubcategoryStagnantmedian 41 reviews · 60% weak top 20
Ethics & Professional Responsibility63.0
Low demandSubcategoryStagnantmedian 20 reviews · 60% weak top 20
International Law61.0
Low demandSubcategoryStagnantmedian 21 reviews · 50% weak top 20
One-L58.0
MiddleSubcategoryStagnantmedian 85 reviews · 50% weak top 20
Administrative Law52.0
OpportunitySubcategorymedian 121 reviews · 40% weak top 20
Practical Guides51.0
MiddleSubcategoryStagnantmedian 44 reviews · 40% weak top 20
Law Practice49.5
MiddleSubcategoryStagnantmedian 34 reviews · 35% weak top 20
Specialties49.5
MiddleSubcategorymedian 97 reviews · 35% weak top 20
Family & Health Law48.5
OpportunitySubcategorymedian 144 reviews · 35% weak top 20
Taxation45.0
MiddleSubcategoryStagnantmedian 90 reviews · 30% weak top 20
Procedures & Litigation44.5
OpportunitySubcategorymedian 354 reviews · 25% weak top 20
Constitutional Law40.0
MiddleSubcategorymedian 194 reviews · 20% weak top 20
Law40.0
MiddleTop-levelmedian 1,281 reviews · 20% weak top 20
Perspectives on Law40.0
MiddleSubcategorymedian 590 reviews · 20% weak top 20
Criminal Law38.5
MiddleSubcategorymedian 1,238 reviews · 15% weak top 20
Business35.0
MiddleSubcategorymedian 128 reviews · 10% weak top 20
Medical eBooks
21 categories
Dentistry84.5
Low demandSubcategoryStagnantmedian 15 reviews · 95% weak top 20
Informatics80.5
Low demandSubcategoryStagnantmedian 2 reviews · 95% weak top 20
Military Medicine71.0
Low demandSubcategoryStagnantmedian 20 reviews · 70% weak top 20
Environmental Health66.0
Low demandSubcategoryStagnantmedian 13 reviews · 70% weak top 20
Reproductive Medicine & Technology61.5
MiddleSubcategoryStagnantmedian 34 reviews · 55% weak top 20
Administration & Policy52.0
OpportunitySubcategorymedian 231 reviews · 40% weak top 20
Alternative & Holistic49.5
OpportunitySubcategorymedian 512 reviews · 35% weak top 20
Allied Health Professions48.0
OpportunitySubcategorymedian 102 reviews · 30% weak top 20
Diseases44.5
OpportunitySubcategorymedian 643 reviews · 25% weak top 20
Pharmacology43.5
OpportunitySubcategorymedian 134 reviews · 25% weak top 20
Basic Science42.5
OpportunitySubcategorymedian 1,398 reviews · 25% weak top 20
Education & Training42.5
MiddleSubcategoryStagnantmedian 60 reviews · 25% weak top 20
Research42.5
MiddleSubcategoryStagnantmedian 53 reviews · 25% weak top 20
Reference42.0
MiddleSubcategorymedian 235 reviews · 20% weak top 20
Medical eBooks40.0
MiddleTop-levelmedian 1,873 reviews · 20% weak top 20
Internal Medicine36.0
FortressSubcategorymedian 971 reviews · 10% weak top 20
Physician & Patient36.0
FortressSubcategorymedian 717 reviews · 10% weak top 20
Special Topics32.5
FortressSubcategorymedian 1,633 reviews · 5% weak top 20
Nursing17.0
OpportunitySubcategorymedian 135 reviews · 30% weak top 20
Veterinary Medicine2.5
MiddleSubcategorymedian 132 reviews · 5% weak top 20
Specialties0.0
FortressSubcategorymedian 1,468 reviews · 0% weak top 20
Religion & Spirituality
17 categories
Creation71.0
Low demandSubcategoryStagnantmedian 5 reviews · 70% weak top 20
Indigenous70.0
Low demandSubcategoryStagnantmedian 6 reviews · 70% weak top 20
Agnosticism51.5
OpportunitySubcategorymedian 119 reviews · 35% weak top 20
New Age48.0
OpportunitySubcategorymedian 3,663 reviews · 30% weak top 20
Hinduism47.5
OpportunitySubcategorymedian 1,186 reviews · 25% weak top 20
Judaism42.0
MiddleSubcategorymedian 1,284 reviews · 20% weak top 20
Spirituality39.5
MiddleSubcategorymedian 2,047 reviews · 15% weak top 20
Atheism38.5
MiddleSubcategorymedian 678 reviews · 15% weak top 20
Other Eastern Religions & Sacred Texts38.5
MiddleSubcategorymedian 1,614 reviews · 15% weak top 20
Religious Studies & Reference37.5
MiddleSubcategorymedian 1,208 reviews · 15% weak top 20
Earth-Based Religions11.0
MiddleSubcategorymedian 1,102 reviews · 20% weak top 20
Islam9.5
MiddleSubcategorymedian 401 reviews · 15% weak top 20
Buddhism6.0
FortressSubcategorymedian 1,666 reviews · 10% weak top 20
Christian Books & Bibles6.0
FortressSubcategorymedian 639 reviews · 10% weak top 20
Occult5.0
FortressSubcategorymedian 3,306 reviews · 10% weak top 20
Religion & Spirituality2.5
FortressTop-levelmedian 723 reviews · 5% weak top 20
Other Religions, Practices & Sacred Texts0.0
FortressSubcategorymedian 2,039 reviews · 0% weak top 20
Teen & Young Adult
19 categories
Travel75.5
MiddleSubcategoryStagnantmedian 47 reviews · 75% weak top 20
Personal Health51.5
OpportunitySubcategorymedian 183 reviews · 35% weak top 20
Education & Reference48.5
OpportunitySubcategorymedian 990 reviews · 35% weak top 20
Hobbies & Games48.0
MiddleSubcategorymedian 96 reviews · 30% weak top 20
Sports & Outdoors47.5
OpportunitySubcategorymedian 223 reviews · 25% weak top 20
Art, Music & Photography38.5
MiddleSubcategorymedian 273 reviews · 15% weak top 20
Religion & Spirituality37.5
MiddleSubcategorymedian 438 reviews · 15% weak top 20
Teen & Young Adult32.5
FortressTop-levelmedian 74,301 reviews · 5% weak top 20
Media Tie-In3.5
FortressSubcategorymedian 5,184 reviews · 5% weak top 20
Biography2.5
FortressSubcategorymedian 2,204 reviews · 5% weak top 20
Mysteries & Thrillers2.5
FortressSubcategorymedian 8,121 reviews · 5% weak top 20
Historical Fiction0.0
FortressSubcategorymedian 3,124 reviews · 0% weak top 20
Horror0.0
FortressSubcategorymedian 15,143 reviews · 0% weak top 20
Humor0.0
FortressSubcategorymedian 596 reviews · 0% weak top 20
LGBTQ+0.0
FortressSubcategorymedian 1,626 reviews · 0% weak top 20
Literature & Fiction0.0
FortressSubcategorymedian 63,817 reviews · 0% weak top 20
Romance0.0
FortressSubcategorymedian 25,866 reviews · 0% weak top 20
Science Fiction & Fantasy0.0
FortressSubcategorymedian 60,714 reviews · 0% weak top 20
Social Issues0.0
FortressSubcategorymedian 32,545 reviews · 0% weak top 20
Engineering & Transportation
4 categories
Automotive51.0
OpportunitySubcategorymedian 138 reviews · 40% weak top 20
Engineering51.0
OpportunitySubcategorymedian 527 reviews · 40% weak top 20
Engineering & Transportation48.5
OpportunityTop-levelmedian 548 reviews · 35% weak top 20
Transportation40.0
MiddleSubcategorymedian 1,121 reviews · 20% weak top 20
Foreign Languages
Language market comparison
12 categories
Chinese (Simplified)88.0
Low demandSubcategoryStagnantmedian 1 reviews · 100% weak top 20
Arabic75.5
Low demandSubcategoryStagnantmedian 16 reviews · 75% weak top 20
Russian68.5
MiddleSubcategoryStagnantmedian 41 reviews · 65% weak top 20
Chinese (Traditional)66.0
MiddleSubcategoryStagnantmedian 34 reviews · 70% weak top 20
Other Languages66.0
Low demandSubcategoryStagnantmedian 26 reviews · 60% weak top 20
Japanese60.0
MiddleSubcategoryStagnantmedian 30 reviews · 50% weak top 20
Italian48.0
OpportunitySubcategorymedian 415 reviews · 30% weak top 20
German44.5
OpportunitySubcategorymedian 1,308 reviews · 25% weak top 20
Foreign Languages42.0
MiddleTop-levelmedian 1,432 reviews · 20% weak top 20
Spanish42.0
MiddleSubcategorymedian 1,677 reviews · 20% weak top 20
Portuguese39.5
MiddleSubcategorymedian 2,331 reviews · 15% weak top 20
French11.0
MiddleSubcategorymedian 951 reviews · 20% weak top 20
Literature & Fiction
32 categories
Immigration44.5
OpportunitySubcategorymedian 302 reviews · 25% weak top 20
Anthologies & Literature Collections42.0
MiddleSubcategorymedian 1,484 reviews · 20% weak top 20
Short Stories40.5
MiddleSubcategorymedian 725 reviews · 15% weak top 20
Indigenous38.5
MiddleSubcategorymedian 4,170 reviews · 15% weak top 20
Action & Adventure37.5
MiddleSubcategorymedian 2,844 reviews · 15% weak top 20
Foreign Language Fiction36.0
FortressSubcategorymedian 1,844 reviews · 10% weak top 20
Humor & Satire35.0
FortressSubcategorymedian 8,126 reviews · 10% weak top 20
Suburban33.5
FortressSubcategorymedian 702 reviews · 5% weak top 20
Literary Fiction32.5
FortressSubcategorymedian 14,464 reviews · 5% weak top 20
Literature & Fiction32.5
FortressTop-levelmedian 31,850 reviews · 5% weak top 20
United States32.5
FortressSubcategorymedian 1,686 reviews · 5% weak top 20
Absurdist15.5
OpportunitySubcategorymedian 671 reviews · 25% weak top 20
Animals11.0
MiddleSubcategorymedian 1,441 reviews · 20% weak top 20
Essays & Correspondence9.5
MiddleSubcategorymedian 684 reviews · 15% weak top 20
Adaptations & Pastiche8.5
MiddleSubcategorymedian 324 reviews · 15% weak top 20
Black & African American7.5
MiddleSubcategorymedian 2,086 reviews · 15% weak top 20
Drama & Plays6.0
FortressSubcategorymedian 1,258 reviews · 10% weak top 20
People with Disabilities6.0
FortressSubcategorymedian 1,484 reviews · 10% weak top 20
Contemporary Fiction3.5
FortressSubcategorymedian 34,938 reviews · 5% weak top 20
Historical Fiction3.5
FortressSubcategorymedian 15,669 reviews · 5% weak top 20
Small Town & Rural3.5
FortressSubcategorymedian 12,985 reviews · 5% weak top 20
World Literature3.5
FortressSubcategorymedian 6,014 reviews · 5% weak top 20
Erotica2.5
FortressSubcategorymedian 13,114 reviews · 5% weak top 20
Literary Criticism2.5
FortressSubcategorymedian 2,209 reviews · 5% weak top 20
Religious & Inspirational Fiction2.5
FortressSubcategorymedian 1,169 reviews · 5% weak top 20
Women's Fiction2.5
FortressSubcategorymedian 12,955 reviews · 5% weak top 20
British0.0
FortressSubcategorymedian 5,698 reviews · 0% weak top 20
Classics0.0
FortressSubcategorymedian 10,964 reviews · 0% weak top 20
Genre Fiction0.0
FortressSubcategorymedian 49,056 reviews · 0% weak top 20
Horror0.0
FortressSubcategorymedian 22,398 reviews · 0% weak top 20
Mythology & Folk Tales0.0
FortressSubcategorymedian 23,120 reviews · 0% weak top 20
Poetry0.0
FortressSubcategorymedian 2,044 reviews · 0% weak top 20
LGBTQ+ eBooks
14 categories
LGBTQ+ Travel75.0
Low demandSubcategoryStagnantmedian 26 reviews · 70% weak top 20
Literary Criticism69.5
Low demandSubcategoryStagnantmedian 25 reviews · 75% weak top 20
LGBTQ+ Parenting & Families51.5
MiddleSubcategoryStagnantmedian 66 reviews · 35% weak top 20
Comics, Manga & Graphic Novels43.5
OpportunitySubcategorymedian 122 reviews · 25% weak top 20
LGBTQ+ Political Issues43.0
MiddleSubcategorymedian 191 reviews · 20% weak top 20
LGBTQ+ Mystery41.0
MiddleSubcategorymedian 849 reviews · 20% weak top 20
LGBTQ+ Science Fiction & Fantasy41.0
MiddleSubcategorymedian 1,076 reviews · 20% weak top 20
LGBTQ+39.5
MiddleSubcategorymedian 1,572 reviews · 15% weak top 20
LGBTQ+ Drama & Plays39.5
MiddleSubcategorymedian 223 reviews · 15% weak top 20
LGBTQ+ Erotica39.5
MiddleSubcategorymedian 697 reviews · 15% weak top 20
LGBTQ+ Studies36.0
MiddleSubcategorymedian 271 reviews · 10% weak top 20
LGBTQ+ Poetry35.0
MiddleSubcategorymedian 217 reviews · 10% weak top 20
LGBTQ+ eBooks9.5
MiddleTop-levelmedian 2,015 reviews · 15% weak top 20
LGBTQ+ Fiction9.5
MiddleSubcategorymedian 1,070 reviews · 15% weak top 20
Biographies & Memoirs
13 categories
True Crime41.0
MiddleSubcategorymedian 2,575 reviews · 20% weak top 20
Biographies40.0
MiddleSubcategorymedian 2,278 reviews · 20% weak top 20
Biographies & Memoirs40.0
MiddleSubcategorymedian 556 reviews · 20% weak top 20
Cultural & Regional40.0
MiddleSubcategorymedian 1,181 reviews · 20% weak top 20
Leaders & Notable People40.0
MiddleSubcategorymedian 865 reviews · 20% weak top 20
Professionals & Academics38.5
MiddleSubcategorymedian 2,318 reviews · 15% weak top 20
Survival38.5
MiddleSubcategorymedian 2,710 reviews · 15% weak top 20
Travel37.5
MiddleSubcategorymedian 1,519 reviews · 15% weak top 20
Women37.5
MiddleSubcategorymedian 4,837 reviews · 15% weak top 20
Biographies & Memoirs33.5
FortressTop-levelmedian 2,198 reviews · 5% weak top 20
Arts & Literature32.5
FortressSubcategorymedian 1,747 reviews · 5% weak top 20
Reference & Collections6.0
MiddleSubcategorymedian 252 reviews · 10% weak top 20
Memoirs5.0
FortressSubcategorymedian 3,341 reviews · 10% weak top 20
Mystery, Thriller & Suspense
6 categories
Mystery41.0
MiddleSubcategorymedian 5,695 reviews · 20% weak top 20
Crime & Mystery36.0
FortressSubcategorymedian 3,069 reviews · 10% weak top 20
Crime Fiction35.0
FortressSubcategorymedian 13,037 reviews · 10% weak top 20
Mystery, Thriller & Suspense0.0
FortressTop-levelmedian 27,492 reviews · 0% weak top 20
Suspense0.0
FortressSubcategorymedian 40,428 reviews · 0% weak top 20
Thrillers0.0
FortressSubcategorymedian 40,428 reviews · 0% weak top 20
Nonfiction
2 categories
Science Fiction & Fantasy
3 categories
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.