All 88 categories
Indigenous — Kindle Category Opportunity
Competition snapshot for the History best-seller list, vacancy score 6.0/100.
Fortress
Category metrics
Score
6.0
Median reviews
722.5
Weak share (top 20)
10%
Median price
$9.99
Median star rating
4.6
Books scanned
50
Worth writing in?
Indigenous is defended territory: 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. Vacancy score 6.0/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 11 | Unsettled Land: From Revolution to Republic, the Struggle for Texas | 4.6 | 96 | $1.99 |
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Research snapshot scanned on Oct 10, 2026. Refreshed periodically — not live tracking.