All 88 categories

Science Fiction, Fantasy & Scary Stories — Kindle Category Opportunity

Competition snapshot for the Children's eBooks best-seller list, vacancy score 3.5/100.

Fortress

Category metrics

Score

3.5

Median reviews

17,136.5

Weak share (top 20)

5%

Median price

$9.99

Median star rating

4.7

Books scanned

50

Worth writing in?

Science Fiction, Fantasy & Scary Stories 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 3.5/100.

Breakout books — top 15, under 100 reviews, $0.99–4.99

Best-seller list on Amazon
#TitleStarReviewsPrice
12Never Trust a Wobbly Broom: A Not-So-Scary Halloween Picture Book featuring a brave little witch for Toddlers, Preschoolers, and Kids Ages 3–74.590$2.99

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Research snapshot scanned on Oct 10, 2026. Refreshed periodically — not live tracking.