Literature Guides — Kindle Category Opportunity
Competition snapshot for the Parenting & Relationships best-seller list, ease-of-entry score 54.5/100.
Category metrics
Score
54.5
Median reviews
149.5
Weak share (top 20)
45%
Median price
$7.99
Median star rating
4.5
Books scanned
50
Worth writing in?
The Literature Guides list shows real reader demand with room left for newcomers: the median book carries 149.5 reviews, yet 45% of the top 20 still sit under 100 reviews. 2 top-15 books hold fewer than 100 reviews at $0.99–4.99 — classic self-publishing breakout books. Ease-of-entry score 54.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 9 | Three Little Kittens (Educational Book: Read and Learn/ Nursery Rhyme) | 5.0 | 5 | $1.99 |
| 8 | Summary and Analysis of To Kill a Mockingbird: Based on the Book by Harper Lee (Smart Summaries) | 4.0 | 12 | $3.99 |
High-frequency phrases in this category's titles
Mine all categoriesHigh-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.
| Phrase | Titles | Rank-weighted score |
|---|---|---|
| fairy tales | 5 | 162 |
| anne of green gables | 3 | 107 |
| green gables complete | 2 | 98 |
| winnie the pooh | 2 | 91 |
| laura ingalls wilder | 2 | 76 |
| classic fairy tales | 2 | 72 |
| classic collection | 2 | 68 |
| cr nicas de la | 2 | 65 |
| de los | 2 | 65 |
| nicas de la torre | 2 | 65 |
| little house | 2 | 51 |
| harry potter | 3 | 21 |
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Check the keywords before you write
Category scores show where entry is easiest; keyword lookups show whether readers actually reach for it. A free account includes keyword competition lookups plus unlimited category scans.
After you publish: why aren't readers buying?
Category research picks the direction; review diagnosis reads the readers. The same platform clusters a book's critical reviews into severity-ranked root causes, each anchored to verbatim quotes — see it applied to a full narrative-history title.
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.