Trivia & Fun Facts — Kindle Category Opportunity
Competition snapshot for the Reference best-seller list, ease-of-entry score 36.0/100.
Category metrics
Score
36.0
Median reviews
356.5
Weak share (top 20)
10%
Median price
$4.99
Median star rating
4.5
Books scanned
50
Worth writing in?
Trivia & Fun Facts is between the extremes: 10% of the top 20 is under 100 reviews against a median of 356.5, so entry depends on the specific sub-genre and your launch strength. Read the breakout books below before judging. Ease-of-entry score 36.0/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 9 | 100,000 Whys - Encyclopedia for Curious Adults: Discover Fascinating Science Facts, History Trivia, Human Behavior, Nature Mysteries, and Surprising Answers to Everyday Questions | 4.5 | 21 | $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 |
|---|---|---|
| facts that sound like | 2 | 88 |
| sound like bull | 2 | 88 |
| true facts that sound | 2 | 88 |
| real life | 2 | 75 |
| 100 000 whys | 2 | 68 |
| answers to everyday questions | 2 | 68 |
| fun facts | 2 | 55 |
| curiosities from the history | 2 | 54 |
| bathroom reader | 4 | 49 |
| uncle john | 4 | 49 |
| mind blowing | 2 | 46 |
| disturbing facts | 2 | 42 |
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More Reference categories
3 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 57.5 | 119.5 |
| █████ | 44.5 | 240 |
| █████ | 39.5 | 412 |
Subcategory names are visible after sign-in — a free account unlocks every subcategory score.
Sign up free to unlockCheck 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.
Keep researching with the free tools
Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.