All 88 categories
Science & Medicine — Kindle Category Opportunity
Competition snapshot for the History best-seller list, vacancy score 38.5/100.
Middle
Category metrics
Score
38.5
Median reviews
1,066
Weak share (top 20)
15%
Median price
$9.08
Median star rating
4.5
Books scanned
50
Worth writing in?
Science & Medicine is between the extremes: 15% of the top 20 is under 100 reviews against a median of 1066, so entry depends on the specific sub-genre and your launch strength. Read the breakout books below before judging. Vacancy score 38.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 4 | Origin Story: The Trials of Charles Darwin | 4.3 | 53 | $2.99 |
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Research snapshot scanned on Oct 10, 2026. Refreshed periodically — not live tracking.