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Reference (Children's Books › Education & Reference, Books): Amazon KDP category data
Amazon Books Best Sellers data for Reference (Children's Books › Education & Reference, Books), updated Nov 2, 2026: median price $11.35, median 1,666 reviews, average rating 4.7 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $9.34 – $16.28 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 91% of Books categories: the median best seller has 1,666 reviews, so new books need time to build up.
- Its median reviews are 46% of the parent category Education & Reference (3,631), one of the easier corners under it.
- At $11.35 its median price is below 85% of Books categories, so it is a volume game.
Top 10 Reference best sellers
-
100,000 Whys for Kids: A Full-Color Visual Encyclopedia of Big Questions, Clear Answers, Science, Space, Animals, Nature, History, Inventions, and How the World Works for Ages 6–13
- List rank#1
- Price$19.97
- Rating4.4
- Reviews904
-
National Geographic Little Kids First Big Book of Why: Questions and Answers About the World for Curious Kids
by Amy Shields
- List rank#2
- Price$11.59
- Rating4.8
- Reviews20,542
-
100,000 Whys for Smart Kids: The Visual Encyclopedia for Smart & Curious Kids - Big Questions, Weird Facts, Clear Explanations, 500 Brain Challenges, ... to Build Curiosity (Kids Ages 6 - 12)
- List rank#3
- Price$22.97
- Rating4.5
- Reviews240
-
Jokes for 8 Year Olds: Awesome Jokes for 8 Year Olds : Birthday - Christmas Gifts for 8 Year Olds (Funny Jokes for Kids Age 5-12)
by Linda Summers
- List rank#4
- Price$3.99
- Rating4.6
- Reviews4,432
-
100,000 Whys for Kids Ages 6–12: An Extraordinary Illustrated Encyclopedia to the Incredible Secrets of Science, Space, Nature, Animals, History, Technology, and How the World Really Works
by Lewis Minard
- List rank#5
- Price$19.97
- Rating3.8
- Reviews79
-
Merriam-Webster’s Elementary Dictionary - Features 37,000+ words, 900+ full-color illustrations, photos, & more
- List rank#6
- Price$19.97
- Rating4.8
- Reviews1,359
-
Carson Dellosa Grades 1-3 Beginning Traditional Cursive Handwriting Workbook, Writing Book With Dry Erase Number and Letter Tracing Activities, Classroom or Homeschool Curriculum
by Carson Dellosa Education
- List rank#7
- Price$3.99
- Rating4.7
- Reviews5,280
-
Toddler's Head Start Educational Coloring Book Ages 1-3: Over 100 Pages | Learn Colors, Words, ABCs, Numbers, Foods, Objects, Cute Animals
by Color Fluff
- List rank#8
- Price$9.99
- Rating4.8
- Reviews696
-
Baby University Board Book Set: A Science for Toddlers (Gifts for Kids)
by Chris Ferrie
- List rank#9
- Price$29.73
- Rating4.7
- Reviews7,214
-
The Wheel of the Year: An Illustrated Guide to Nature's Rhythms
by Fiona Cook
- List rank#10
- Price$10.43
- Rating4.8
- Reviews1,063
Subcategories
Same niche in Kindle eBooks: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 1,666 reviews and sells for $11.35.
How many reviews do you need to rank in Reference?
The median best seller has 1,666 reviews, and 12% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $11.35; half of the best sellers are priced between $9.34 and $16.28.
Can new books break into Reference?
7% 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.