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Detectives (Mysteries & Detectives, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Detectives (Mysteries & Detectives, Kindle eBooks), updated Nov 3, 2026: median price $6.99, median 1,158 reviews, average rating 4.6 and a KDPTop opportunity score of 18/100 (highly competitive).
| Price range (middle 50%) | $4.62 – $9.24 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 89% of Kindle eBooks categories: the median best seller has 1,158 reviews, so new books need time to build up.
- Its median reviews are 39% of the parent category Mysteries & Detectives (2,975), one of the easier corners under it.
- Only 5% of its best sellers are under 90 days old, fewer than in 76% of Kindle eBooks categories: established titles hold the list.
Top 10 Detectives best sellers
-
Bad Blood (The Naturals Book 4)
- List rank#1
- Price$9.99
- Rating4.6
- Reviews11,987
-
The Secret Zoo: A Fast-Paced Middle Grade Fantastic Tale About Kids Discovering a Zoo's Dark Secret
by Bryan Chick
- List rank#2
- Price$9.99
- Rating4.6
- Reviews6,257
-
-
Marina
- List rank#4
- Price$1.99
- Rating4.4
- Reviews2,891
-
This is Our Story
by Ashley Elston
- List rank#5
- Price$1.99
- Rating4.4
- Reviews1,582
-
Serafina and the Seven Stars (Serafina, 4)
by Robert Beatty
- List rank#6
- Price$16.99
- Rating4.9
- Reviews2,128
-
Nancy Drew Mystery Stories Books 1-4
- List rank#7
- Price$1.99
- Rating4.8
- Reviews2,728
-
Rialto: A Heartfelt Middle Grade Story about Sisters, Family, Anxiety, and Finding Magic in Unexpected Places
by Kate Milford
- List rank#8
- Price$2.99
- Rating4.6
- Reviews30
-
The Rosie Riddle Mysteries (3-in-1 Collection): A Funny Mystery Early Chapter Book for Kids Aged 6–8
by Emma Meyer
- List rank#9
- Price$2.99
- Rating4.2
- Reviews126
-
Serafina and the Twisted Staff
by Robert Beatty
- List rank#10
- Price$16.99
- Rating4.8
- Reviews2,311
FAQ
Is Detectives a good niche for Amazon KDP?
Its KDPTop opportunity score is 18/100, which makes it highly competitive. The median best seller has 1,158 reviews and sells for $6.99.
How many reviews do you need to rank in Detectives?
The median best seller has 1,158 reviews, and 12% of them have fewer than 100.
What do Detectives best sellers cost?
The median price is $6.99; half of the best sellers are priced between $4.62 and $9.24.
Can new books break into Detectives?
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.