Mysteries & Thrillers — Kindle Category Opportunity
Competition snapshot for the Teen & Young Adult best-seller list, ease-of-entry score 2.5/100.
Category metrics
Score
2.5
Median reviews
8,120.5
Weak share (top 20)
5%
Median price
$8.99
Median star rating
4.4
Books scanned
50
Worth writing in?
Mysteries & Thrillers 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 |
|---|---|---|
| six of crows | 2 | 90 |
| girl guide to murder | 3 | 72 |
| good girl guide | 3 | 72 |
| bad blood | 2 | 53 |
Sign in and click any phrase to send it straight to the keyword competition lookup.
More Teen & Young Adult categories
7 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 45.5 | 1609.5 |
| █████ | 38.5 | 1450.5 |
| █████ | 36.0 | 2706.5 |
| █████ | 35.0 | 1109.5 |
| █████ | 33.5 | 5436 |
| █████ | 2.5 | 1916.5 |
| █████ | 0.0 | 11360.5 |
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.