KDP categories · Top KDP authors
Reference (Children's Nonfiction, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Children's Nonfiction, Kindle eBooks), updated Nov 2, 2026: median price $6.99, median 466 reviews, average rating 4.6 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $3.97 – $9.24 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 10% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 79% of Kindle eBooks categories: the median best seller has 466 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $3.97 to $9.24, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
First 100 Animals: A padded book—perfect for little hands to hold
by Roger Priddy
- List rank#1
- Price$5.99
- Rating4.8
- Reviews10,644
-
Top 10 Haunted Places (Top 10 Unexplained)
by Lori Polydoros
- List rank#2
- Price$8.79
- Rating5.0
- Reviews1
-
First 100 Trucks And Things That Go: A padded book—perfect for little hands to hold
by Roger Priddy
- List rank#3
- Price$6.99
- Rating4.8
- Reviews4,257
-
The Kids' Guide to Sign Language (Kids' Guides)
by Kathryn Clay
- List rank#4
- Price$10.99
- Rating4.6
- Reviews8
-
My First Library: of 10 Books for Kids
- List rank#5
- Price$1.99
- Rating4.6
- Reviews93,504
-
Guts: A Graphic Novel
- List rank#6
- Price$7.99
- Rating4.8
- Reviews20,429
-
The Dog Encyclopedia for Kids
by Tammy Gagne
- List rank#7
- Price$9.99
- Rating4.8
- Reviews877
-
National Geographic Little Kids First Big Book of Space (National Geographic Little Kids First Big Books)
- List rank#8
- Price$7.99
- Rating4.8
- Reviews15,500
-
The Night Dad Went to Jail: What to Expect When Someone You Love Goes to Jail (Life's Challenges)
by Melissa Higgins
- List rank#9
- Price$6.95
- Rating4.1
- Reviews835
-
I Am Malala: How One Girl Stood Up for Education and Changed the World (Young Readers Edition)
- List rank#10
- Price$1.99
- Rating4.7
- Reviews9,639
Subcategories
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 466 reviews and sells for $6.99.
How many reviews do you need to rank in Reference?
The median best seller has 466 reviews, and 33% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $6.99; half of the best sellers are priced between $3.97 and $9.24.
Can new books break into Reference?
10% 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.