KDP categories · Top KDP authors
Science Fiction (Manga, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Science Fiction (Manga, Kindle eBooks), updated Nov 2, 2026: median price $6.29, median 998 reviews, average rating 4.7 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $7.94 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 2.5× those of the parent category Manga, harder to enter than the parent as a whole.
- Its review barrier is higher than in 88% of Kindle eBooks categories: the median best seller has 998 reviews, so new books need time to build up.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Kindle eBooks categories: established titles hold the list.
Top 10 Science Fiction best sellers
-
Attack on Titan Vol. 1
- List rank#1
- Price$6.43
- Rating4.7
- Reviews11,125
-
Attack on Titan Vol. 2
- List rank#2
- Price$6.32
- Rating4.8
- Reviews7,317
-
AJIN: Demi-Human Vol. 1
by Miura Tsuina
- List rank#3
- Price$0.99
- Rating4.6
- Reviews1,444
-
You're the One For me: Romance Yaoi manga
by Sugoi Takashi
- List rank#4
- Price$2.99
- Reviews-
-
Devils' Line Vol. 1
by Ryo Hanada
- List rank#5
- Price$0.99
- Rating4.6
- Reviews1,850
-
Attack on Titan Vol. 4
- List rank#6
- Price$6.26
- Rating4.8
- Reviews5,154
-
Attack on Titan Vol. 3
- List rank#7
- Price$6.93
- Rating4.8
- Reviews5,174
-
Attack on Titan Vol. 5
- List rank#8
- Price$6.65
- Rating4.8
- Reviews4,257
-
Parasyte Vol. 1
by Iwaaki Hitoshi
- List rank#9
- Price$0.99
- Rating4.5
- Reviews771
-
BLAME! Vol. 1
- List rank#10
- Price$13.99
- Rating4.7
- Reviews2,670
Same niche in Books: Science Fiction
FAQ
Is Science Fiction a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 998 reviews and sells for $6.29.
How many reviews do you need to rank in Science Fiction?
The median best seller has 998 reviews, and 9% of them have fewer than 100.
What do Science Fiction best sellers cost?
The median price is $6.29; half of the best sellers are priced between $3.99 and $7.94.
Can new books break into Science Fiction?
4% 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.