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Post-Apocalyptic (Science Fiction, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Post-Apocalyptic (Science Fiction, Kindle eBooks), updated Nov 3, 2026: median price $5.49, median 1,374 reviews, average rating 4.5 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $7.24 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 42% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 12% of the parent category Science Fiction (11,570), one of the easier corners under it.
- 42% of its best sellers came out in the last 90 days, more than in 98% of Kindle eBooks categories: readers here keep buying new titles.
- Its review barrier is higher than in 90% of Kindle eBooks categories: the median best seller has 1,374 reviews, so new books need time to build up.
Top 10 Post-Apocalyptic best sellers
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House of Sky and Breath (Crescent City)
- List rank#1
- Price$11.12
- Rating4.7
- Reviews148,385
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The Hitchhiker's Guide to the Galaxy: The Illustrated Edition
- List rank#2
- Price$1.99
- Rating4.3
- Reviews30,923
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Morning Star (Red Rising Series Book 3)
by Pierce Brown
- List rank#6
- Price$12.99
- Rating4.7
- Reviews62,292
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The Felicity Complex
by August Clarke
- List rank#9
- Price$1.99
- Rating3.6
- Reviews47
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Same niche in Books: Post-Apocalyptic
FAQ
Is Post-Apocalyptic a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 1,374 reviews and sells for $5.49.
How many reviews do you need to rank in Post-Apocalyptic?
The median best seller has 1,374 reviews, and 22% of them have fewer than 100.
What do Post-Apocalyptic best sellers cost?
The median price is $5.49; half of the best sellers are priced between $3.99 and $7.24.
Can new books break into Post-Apocalyptic?
42% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.