KDP categories · Top KDP authors
Letters: Amazon KDP category data
Amazon Books Best Sellers data for Letters, updated Nov 3, 2026: median price $13.96, median 271 reviews, average rating 4.6 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $10.98 – $16.41 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 16% of the parent category Essays & Correspondence (1,728), one of the easier corners under it.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Letters best sellers
-
Letters to a Young Poet (Penguin Classics)
- List rank#1
- Price$0.99
- Rating4.6
- Reviews874
-
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Journal of a Novel: The East of Eden Letters
- List rank#3
- Price$16
- Rating4.6
- Reviews253
-
The Fire Next Time (Vintage International)
- List rank#4
- Price$7.69
- Rating4.8
- Reviews13,066
-
84, Charing Cross Road
by Helene Hanff
- List rank#5
- Price$15.98
- Rating4.7
- Reviews1,551
-
Letters to Our Sons
- List rank#6
- Price$25.10
- Rating4.8
- Reviews78
-
Letters to Camondo
- List rank#7
- Price$1.99
- Rating4.5
- Reviews943
-
Jane Austen for Every Day of the Year: A Charming Collection of Wit & Wisdom
by Tara Richardson
- List rank#8
- Price$15.83
- Rating4.8
- Reviews140
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Letters and Papers from Prison
- List rank#10
- Price$10.98
- Rating4.7
- Reviews625
FAQ
Is Letters a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 271 reviews and sells for $13.96.
How many reviews do you need to rank in Letters?
The median best seller has 271 reviews, and 22% of them have fewer than 100.
What do Letters best sellers cost?
The median price is $13.96; half of the best sellers are priced between $10.98 and $16.41.
Can new books break into Letters?
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.