KDP categories · Top KDP authors
Colonization (Science Fiction, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Colonization (Science Fiction, Kindle eBooks), updated Nov 3, 2026: median price $4.99, median 1,640 reviews, average rating 4.4 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $6.24 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 33% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 14% of the parent category Science Fiction (11,570), one of the easier corners under it.
- 33% of its best sellers came out in the last 90 days, more than in 96% of Kindle eBooks categories: readers here keep buying new titles.
- Its review barrier is higher than in 92% of Kindle eBooks categories: the median best seller has 1,640 reviews, so new books need time to build up.
Top 10 Colonization best sellers
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Icehenge
by Kim Stanley Robinson
- List rank#2
- Price$1.99
- Rating3.9
- Reviews401
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Morning Star (Red Rising Series Book 3)
by Pierce Brown
- List rank#3
- Price$12.99
- Rating4.7
- Reviews62,292
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Anvil of Stars (Forge of God Book 2)
by Greg Bear
- List rank#6
- Price$1.99
- Rating4.3
- Reviews1,445
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We Are Legion (We Are Bob) (Bobiverse Book 1)
by Dennis Taylor
- List rank#9
- Price$9.99
- Rating4.5
- Reviews35,050
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Barbarian Alien: A SciFi Alien Romance (Ice Planet Barbarians Book 2)
by Ruby Dixon
- List rank#10
- Price$3.99
- Rating4.2
- Reviews32,357
Same niche in Books: Colonization
FAQ
Is Colonization a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 1,640 reviews and sells for $4.99.
How many reviews do you need to rank in Colonization?
The median best seller has 1,640 reviews, and 6% of them have fewer than 100.
What do Colonization best sellers cost?
The median price is $4.99; half of the best sellers are priced between $3.99 and $6.24.
Can new books break into Colonization?
33% 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.