Science & Math — Kindle Category Opportunity
Competition snapshot for the Science & Math best-seller list, ease-of-entry score 47.0/100.
Category metrics
Score
47.0
Median reviews
826.5
Weak share (top 20)
30%
Median price
$2.99
Median star rating
4.6
Books scanned
50
Worth writing in?
The Science & Math list shows real reader demand with room left for newcomers: the median book carries 826.5 reviews, yet 30% 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 47.0/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 7 | Naturalist 25th Anniversary Edition | 4.6 | 27 | $1.99 |
| 9 | The Seven Measures of the World | 4.4 | 33 | $1.99 |
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 |
|---|---|---|
| smarter decisions | 2 | 62 |
| day meal plan | 2 | 17 |
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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.