Arctic & Antarctica — Kindle Category Opportunity
Competition snapshot for the History best-seller list, vacancy score 44.5/100.
Category metrics
Score
44.5
Median reviews
165
Weak share (top 20)
25%
Median price
$9.99
Median star rating
4.5
Books scanned
50
Worth writing in?
The Arctic & Antarctica list shows real reader demand with room left for newcomers: the median book carries 165 reviews, yet 25% of the top 20 still sit under 100 reviews. 2 top-15 books hold fewer than 100 reviews at $0.99–4.99 — the classic self-publishing breakout band. Vacancy score 44.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 12 | Resolute: John Franklin's Lost Expedition and the Discovery of the Queen's Ghost Ship | 4.6 | 7 | $1.99 |
| 13 | Dinosaurs of Darkness: In Search of the Lost Polar World (Life of the Past) | 4.4 | 51 | $2.99 |
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Research snapshot scanned on Oct 10, 2026. Refreshed periodically — not live tracking.