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Mysteries & Detectives (Children's eBooks, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Mysteries & Detectives (Children's eBooks, Kindle eBooks), updated Nov 2, 2026: median price $7.99, median 2,975 reviews, average rating 4.7 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $9.99 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 95% of Kindle eBooks categories: the median best seller has 2,975 reviews, so new books need time to build up.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Kindle eBooks categories: established titles hold the list.
- Prices spread wide: the middle half runs from $3.99 to $9.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Mysteries & Detectives best sellers
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Who Pooped on Me?
- List rank#2
- Price$2.99
- Rating4.5
- Reviews6,830
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Now We Are Animals: Enthralling and thought-provoking Dystopian YA (The Colonists: Now We Are Animals Book 1)
by R P Nathan
- List rank#4
- Price$2.99
- Rating4.4
- Reviews1,052
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Ghost Dog (Pets of Elsewhere Book 1)
by Jaimie Engle
- List rank#5
- Price$2.99
- Rating4.5
- Reviews9
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Warriors Graphic Novel: The Prophecies Begin, Part Two of Three: An Instant NYT Bestselling Fantasy Graphic Novel for Children (Ages 8–12)
by Erin Hunter
- List rank#6
- Price$13.99
- Rating4.8
- Reviews2,852
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The Secret Zoo: A Fast-Paced Middle Grade Fantastic Tale About Kids Discovering a Zoo's Dark Secret
by Bryan Chick
- List rank#7
- Price$9.99
- Rating4.6
- Reviews6,257
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Mystery Club: A Graphic Novel (Mr. Wolf's Class #2)
by Aron Nels Steinke
- List rank#8
- Price$5.99
- Rating4.8
- Reviews615
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A Series of Unfortunate Events #1: The Bad Beginning: A Darkly Comic Literary Tale about the Baudelaire Orphans for Children (Ages 8-12)
- List rank#9
- Price$1.99
- Rating4.5
- Reviews10,634
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Bad Blood (The Naturals Book 4)
- List rank#10
- Price$9.99
- Rating4.6
- Reviews11,987
Subcategories
- Spies18
- Detectives18
Same niche in Books: Mysteries & Detectives
FAQ
Is Mysteries & Detectives a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 2,975 reviews and sells for $7.99.
How many reviews do you need to rank in Mysteries & Detectives?
The median best seller has 2,975 reviews, and 6% of them have fewer than 100.
What do Mysteries & Detectives best sellers cost?
The median price is $7.99; half of the best sellers are priced between $3.99 and $9.99.
Can new books break into Mysteries & Detectives?
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.