KDP categories · Top KDP authors
Traditional Detectives (Mystery, Books): Amazon KDP category data
Amazon Books Best Sellers data for Traditional Detectives (Mystery, Books), updated Nov 3, 2026: median price $11.99, median 11,324 reviews, average rating 4.5 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $5.99 – $14.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 22% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 99% of Books categories: the median best seller has 11,324 reviews, so new books need time to build up.
- 22% of its best sellers came out in the last 90 days, more than in 92% of Books categories: readers here keep buying new titles.
- At $11.99 its median price is below 82% of Books categories, so it is a volume game.
Top 10 Traditional Detectives best sellers
-
Miss Wolcott's Ghost: A Novel (Chief Inspector Gamache Novel Book 21)
by Louise Penny
- List rank#1
- Price$14.99
- Rating4.6
- Reviews3,764
-
People of Darkness: A Gripping Southwest Mystery Where a Navajo Detective Confronts a Ruthless Assassin (Leaphorn, Chee & Manuelito Book 4)
- List rank#2
- Price$1.99
- Rating4.6
- Reviews5,057
-
And Then There Were None
- List rank#3
- Price$4.99
- Rating4.4
- Reviews59,136
-
Murder at the Grand Alpine Hotel: The New Miss Marple Mystery – A Classic Whodunit of Deception and Suspense in an Isolated Alpine Retreat
by Lucy Foley
- List rank#4
- Price$14.99
- Rating4.2
- Reviews2,979
-
MURDER MOST FINAL a gripping British crime mystery full of twists (DI Hillary Greene Book 23)
by FAITH MARTIN
- List rank#5
- Price$4.99
- Rating4.6
- Reviews1,849
-
-
Winner Takes All - A Cosy Crime Series: Cherringham, Band 51
by Matthew Costello
- List rank#7
- Price$4.76
- Rating4.6
- Reviews113
-
The Tainted Cup
- List rank#8
- Price$19.59
- Rating4.5
- Reviews16,822
-
The Perranporth Murders: A Cornish Crime Thriller! (DI Ryder Murder Mystery - Book1) (DI Ryder Murder Mysteries)
by Jack Christie
- List rank#9
- Price$0.99
- Rating4.4
- Reviews1,003
-
A Game of Cat and Killer: A Novel (The Casebooks of Mikeneko Holmes)
by Jiro Akagawa
- List rank#10
- Price$11.99
- Rating4.1
- Reviews34
Same niche in Kindle eBooks: Traditional Detectives
FAQ
Is Traditional Detectives a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 11,324 reviews and sells for $11.99.
How many reviews do you need to rank in Traditional Detectives?
The median best seller has 11,324 reviews, and 8% of them have fewer than 100.
What do Traditional Detectives best sellers cost?
The median price is $11.99; half of the best sellers are priced between $5.99 and $14.99.
Can new books break into Traditional Detectives?
22% 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.