KDP categories · Top KDP authors
Reference (Children's eBooks › Education & Reference, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Children's eBooks › Education & Reference, Kindle eBooks), updated Nov 3, 2026: median price $5.99, median 122 reviews, average rating 4.5 and a KDPTop opportunity score of 27/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $9.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 17% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 15% of the parent category Education & Reference (802), one of the easier corners under it.
- 17% of its best sellers came out in the last 90 days, more than in 81% of Kindle eBooks categories: readers here keep buying new titles.
- Prices spread wide: the middle half runs from $2.99 to $9.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
Top 10 Haunted Places (Top 10 Unexplained)
by Lori Polydoros
- List rank#1
- Price$8.79
- Rating5.0
- Reviews1
-
The Kids' Guide to Sign Language (Kids' Guides)
by Kathryn Clay
- List rank#2
- Price$10.99
- Rating4.6
- Reviews8
-
The Dog Encyclopedia for Kids
by Tammy Gagne
- List rank#3
- Price$9.99
- Rating4.8
- Reviews877
-
Knowledge Encyclopedia - World History
- List rank#4
- Price$1.99
- Rating4.7
- Reviews906
-
National Geographic Little Kids First Big Book of Space (National Geographic Little Kids First Big Books)
- List rank#5
- Price$7.99
- Rating4.8
- Reviews15,500
-
10,000 WHYS FOR BIG-THINKING KIDS: Amazing Questions, Surprising Answers, Brain-Bending Mysteries, and Incredible Discoveries About Science, Space, Nature, Animals, and Everyday Life
by PATRICE BRYAN
- List rank#6
- Price$7.99
- Reviews-
-
Knowledge Encyclopedia - Human Body
- List rank#7
- Price$1.99
- Rating4.7
- Reviews1,172
-
The Earwax Book: For Children to Enjoy and Learn about the Ear, Wax, and Other Gunky Health Facts (The Bewildering Body Book 8)
by Mark Bacera
- List rank#8
- Price$2.99
- Rating4.2
- Reviews412
-
Pilot's Handbook of Aeronautical Knowledge: FAA-H-8083-25C
by Federal Aviation Administration Staff
- List rank#9
- Price$16.99
- Rating4.8
- Reviews700
-
National Geographic Little Kids First Big Book of Why: Questions and Answers About the World for Curious Kids (National Geographic Little Kids First Big Books)
by Amy Shields
- List rank#10
- Price$7.99
- Rating4.8
- Reviews20,542
Same niche in Books: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 122 reviews and sells for $5.99.
How many reviews do you need to rank in Reference?
The median best seller has 122 reviews, and 43% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $5.99; half of the best sellers are priced between $2.99 and $9.99.
Can new books break into Reference?
17% 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.