All 88 categories
United States — Kindle Category Opportunity
Competition snapshot for the History best-seller list, vacancy score 39.5/100.
Middle
Category metrics
Score
39.5
Median reviews
704.5
Weak share (top 20)
15%
Median price
$7.49
Median star rating
4.6
Books scanned
50
Worth writing in?
United States is between the extremes: 15% of the top 20 is under 100 reviews against a median of 704.5, so entry depends on the specific sub-genre and your launch strength. Read the breakout books below before judging. Vacancy score 39.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 2 | The War Correspondents: The Incredible Stories of the Brave Men and Women Who Covered the Fight Against Hitler's Germany | 5.0 | 4 | $1.99 |
| 7 | Tombstone Reckoning: Classic Western (A Johnny Irons Classic Western Adventure Book 4) | 4.5 | 80 | $0.99 |
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Research snapshot scanned on Oct 10, 2026. Refreshed periodically — not live tracking.