KDP categories · Top KDP authors
Epistolary: Amazon KDP category data
Amazon Books Best Sellers data for Epistolary, updated Nov 3, 2026: median price $12.45, median 1,296 reviews, average rating 4.3 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $10.51 – $16.97 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 14% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 3% of the parent category Genre Fiction (43,722), one of the easier corners under it.
- Its review barrier is higher than in 88% of Books categories: the median best seller has 1,296 reviews, so new books need time to build up.
- 14% of its best sellers came out in the last 90 days, more than in 78% of Books categories: readers here keep buying new titles.
Top 10 Epistolary best sellers
-
The Correspondent: A Novel
- List rank#1
- Price$15.14
- Rating4.5
- Reviews179,511
-
Evidence of the Affair
- List rank#2
- Price$1.99
- Rating4.1
- Reviews60,525
-
Gilead: A Novel
by Marilynne Robinson
- List rank#3
- Price$14.95
- Rating4.2
- Reviews11,766
-
This Is How You Lose the Time War
by Amal El-Mohtar
- List rank#4
- Price$13.99
- Rating4.2
- Reviews20,594
-
March: Pulitzer Prize Winner (A Novel)
by Geraldine Brooks
- List rank#5
- Price$9.99
- Rating4.4
- Reviews8,906
-
The Perks of Being a Wallflower
- List rank#6
- Price$11.99
- Rating4.6
- Reviews47,687
-
The Pull of the Moon: A Novel (Random House Reader's Circle)
by Elizabeth Berg
- List rank#7
- Price$1.99
- Rating4.2
- Reviews1,101
-
The Color Purple
by Alice Walker
- List rank#8
- Price$2.99
- Rating4.6
- Reviews29,229
-
Last Christmas in Paris: An Unforgettable Holiday Romance Set Across the Four Christmases of WWI
by Hazel Gaynor
- List rank#9
- Price$11.98
- Rating4.5
- Reviews4,587
-
Heartwood (A Read with Jenna Pick): A Novel
by Amity Gaige
- List rank#10
- Price$10.85
- Rating4.3
- Reviews24,318
FAQ
Is Epistolary a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 1,296 reviews and sells for $12.45.
How many reviews do you need to rank in Epistolary?
The median best seller has 1,296 reviews, and 12% of them have fewer than 100.
What do Epistolary best sellers cost?
The median price is $12.45; half of the best sellers are priced between $10.51 and $16.97.
Can new books break into Epistolary?
14% 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.