Crime & Criminals — Kindle Category Opportunity
Competition snapshot for the Politics & Social Sciences best-seller list, ease-of-entry score 2.5/100.
Category metrics
Score
2.5
Median reviews
1,751.5
Weak share (top 20)
5%
Median price
$9.74
Median star rating
4.4
Books scanned
50
Worth writing in?
Crime & Criminals is heavily defended: incumbents are deep-reviewed and the top 20 rarely cracks. New releases can still chart with ads or a launch push, but expect to climb over established authors rather than around them. Ease-of-entry score 2.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on AmazonNo breakout books in this category.
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 |
|---|---|---|
| serial killers | 4 | 125 |
| small town | 4 | 111 |
| experiment in literary investigation | 2 | 72 |
| gulag archipelago an experiment | 2 | 72 |
| serial killer | 2 | 59 |
| true crime | 3 | 57 |
| death row | 2 | 41 |
Sign in and click any phrase to send it straight to the keyword competition lookup.
More Politics & Social Sciences categories
3 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 44.5 | 238 |
| █████ | 38.5 | 409 |
| █████ | 0.0 | 1419 |
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.
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.