KDP categories · Top KDP authors
Science Fiction & Fantasy (Writing, Books): Amazon KDP category data
Amazon Books Best Sellers data for Science Fiction & Fantasy (Writing, Books), updated Nov 3, 2026: median price $15, median 92 reviews, average rating 4.6 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $12.65 – $19.95 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Writing (2,234), one of the easier corners under it.
- The same niche in Kindle eBooks scores 19, 12 points lower than here.
- Only 5% of its best sellers are under 90 days old, fewer than in 75% of Books categories: established titles hold the list.
Top 10 Science Fiction & Fantasy best sellers
-
L. Frank Baum's The Wonderful Wizard of Oz (Penguin Young Readers, Level 4)
by Deborah Hautzig
- List rank#1
- Price$3.99
- Rating4.8
- Reviews675
-
Wonderbook: The Illustrated Guide to Creating Imaginative Fiction
by Jeff VanderMeer
- List rank#2
- Price$9.99
- Rating4.7
- Reviews929
-
Forge Your Dragon World: A Wings of Fire Creative Guide (Wings of Fire Graphix)
- List rank#3
- Price$8.97
- Rating4.8
- Reviews2,242
-
Morel’s Invention
by Adolfo Bioy Casares
- List rank#4
- Price$15.99
- Rating4.3
- Reviews15
-
World of Reading Descendants 3: Stronger Together Level 2
by Disney Books
- List rank#5
- Price$5.99
- Rating4.8
- Reviews1,050
-
Stranger Things: The Complete Scripts, Season 1
by The Duffer Brothers
- List rank#6
- Price$13.02
- Rating4.7
- Reviews450
-
On Writing and Worldbuilding: Volume I
by Timothy Hickson
- List rank#7
- Price$13.99
- Rating4.8
- Reviews2,497
-
The Letters of J.R.R. Tolkien: Revised and Expanded Edition ― A Memoir in Correspondence Featuring 150 Restored Writings About Middle-earth
- List rank#8
- Price$21.95
- Rating4.9
- Reviews534
-
Greatest Works of H.G. Wells (Deluxe Hardbound Edition)
by H.G. Wells
- List rank#9
- Price$19.99
- Rating4.6
- Reviews323
-
Deify: A Mythical Solo Role-Playing Game
by Allyson D'Antonio
- List rank#10
- Price$23.47
- Rating4.7
- Reviews112
Same niche in Kindle eBooks: Science Fiction
FAQ
Is Science Fiction & Fantasy a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 92 reviews and sells for $15.
How many reviews do you need to rank in Science Fiction & Fantasy?
The median best seller has 92 reviews, and 55% of them have fewer than 100.
What do Science Fiction & Fantasy best sellers cost?
The median price is $15; half of the best sellers are priced between $12.65 and $19.95.
Can new books break into Science Fiction & Fantasy?
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.