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Science Fiction (Science Fiction, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Science Fiction (Science Fiction, Kindle eBooks), updated Nov 2, 2026: median price $4.99, median 1,047 reviews, average rating 4.5 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $5.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 17% of the parent category Science Fiction (6,178), one of the easier corners under it.
- Its review barrier is higher than in 88% of Kindle eBooks categories: the median best seller has 1,047 reviews, so new books need time to build up.
- At $4.99 its median price is below 91% of Kindle eBooks categories, so it is a volume game.
Top 10 Science Fiction best sellers
-
Thunderhead (Arc of a Scythe Book 2)
- List rank#1
- Price$10.99
- Rating4.7
- Reviews16,973
-
Now We Are Animals: Enthralling and thought-provoking Dystopian YA (The Colonists: Now We Are Animals Book 1)
by R P Nathan
- List rank#2
- Price$2.99
- Rating4.4
- Reviews1,052
-
The Commons (The Commons World Book 1)
by Rebecca Ihim
- List rank#3
- Price$0.99
- Rating3.9
- Reviews46
-
Wanted: A Heart-warming K-9 Thriller for Dog Lovers (The Chase Ryder Series Book 1)
by Jo Ho
- List rank#4
- Price$8.99
- Rating4.5
- Reviews1,699
-
-
Rejected By Heaven: An Urban Fantasy Action Adventure (The Unbelievable Mr. Brownstone Book 2)
- List rank#6
- Price$5.99
- Rating4.6
- Reviews2,413
-
The Last Sanctuary Complete Series Box Set: A Post-Apocalyptic Survival Series
by Kyla Stone
- List rank#7
- Price$9.99
- Rating4.6
- Reviews3,961
-
The Secrets of Giza : The Complete 10-Book Omnibus (The Kwan Thrillers)
by Ken Warner
- List rank#8
- Price$9.99
- Rating4.4
- Reviews858
-
From a Distant Star
by Karen McQuestion
- List rank#9
- Price$3.99
- Rating4.4
- Reviews4,504
-
Mike Richards and the Hollow Earth: A Dark Teen Sci-Fi Novel
by Yossi Adiv
- List rank#10
- Price$0.99
- Rating4.4
- Reviews21
FAQ
Is Science Fiction a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 1,047 reviews and sells for $4.99.
How many reviews do you need to rank in Science Fiction?
The median best seller has 1,047 reviews, and 12% of them have fewer than 100.
What do Science Fiction best sellers cost?
The median price is $4.99; half of the best sellers are priced between $3.99 and $5.99.
Can new books break into Science Fiction?
5% 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.