KDP categories · Top KDP authors
Mystery & Detective (Mysteries & Thrillers, Books): Amazon KDP category data
Amazon Books Best Sellers data for Mystery & Detective (Mysteries & Thrillers, Books), updated Nov 2, 2026: median price $10.21, median 1,990 reviews, average rating 4.4 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $8.05 – $14.29 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 92% of Books categories: the median best seller has 1,990 reviews, so new books need time to build up.
- Its median reviews are 36% of the parent category Mysteries & Thrillers (5,483), one of the easier corners under it.
- At $10.21 its median price is below 88% of Books categories, so it is a volume game.
Top 10 Mystery & Detective best sellers
-
Dangerous Impulses (Deluxe Limited Edition) (The Naturals, 5)
- List rank#1
- Price$16.24
- Reviews-
-
If He Had Been with Me: A Heartbreaking Romance of First Love and Loss
by Laura Nowlin
- List rank#2
- Price$6.54
- Rating4.2
- Reviews66,662
-
The Naturals
- List rank#3
- Price$9.99
- Rating4.4
- Reviews29,451
-
21 Days of Fear: One Day, One Letter
by Hervé Commère
- List rank#4
- Price$15.48
- Rating4.0
- Reviews264
-
The Inheritance Games
- List rank#5
- Price$6.43
- Rating4.4
- Reviews51,813
-
It's Christmas Crime!: An Advent Romance
by Anouk Filippini
- List rank#6
- Price$15.48
- Rating4.8
- Reviews8
-
Killer Instinct (The Naturals Book 2)
- List rank#7
- Price$9.99
- Rating4.4
- Reviews20,271
-
One of Us Is Lying
- List rank#8
- Price$7.07
- Rating4.5
- Reviews49,398
-
The Naturals Paperback Boxed Set
- List rank#9
- Price$21.48
- Rating4.8
- Reviews1,585
-
The Hawthorne Legacy (The Inheritance Games, 2)
- List rank#10
- Price$6.33
- Rating4.5
- Reviews33,649
FAQ
Is Mystery & Detective a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 1,990 reviews and sells for $10.21.
How many reviews do you need to rank in Mystery & Detective?
The median best seller has 1,990 reviews, and 10% of them have fewer than 100.
What do Mystery & Detective best sellers cost?
The median price is $10.21; half of the best sellers are priced between $8.05 and $14.29.
Can new books break into Mystery & Detective?
9% 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.