KDP categories · Top KDP authors
Children's (Encyclopedias & Subject Guides, Books): Amazon KDP category data
Amazon Books Best Sellers data for Children's (Encyclopedias & Subject Guides, Books), updated Nov 2, 2026: median price $16.84, median 1,010 reviews, average rating 4.7 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $13.52 – $19.87 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 12% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 85% of Books categories: the median best seller has 1,010 reviews, so new books need time to build up.
Top 10 Children's best sellers
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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
-
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#2
- Price$22.97
- Rating4.5
- Reviews240
-
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#3
- Price$19.97
- Rating3.8
- Reviews79
-
Children's encyclopedia "Why 100,000?" Extracurricular reading for primary school students (Building The Ultimate Brain)
by Doris Walton
- List rank#4
- Price$22.75
- Rating4.4
- Reviews770
-
100000 Whys Encyclopedia for Teens: The Fully Illustrated Book of Absurd Questions, Shocking Answers and Brain-Boosting Facts
by Theo Wonderquill
- List rank#5
- Price$19.90
- Rating4.4
- Reviews117
-
How Money Actually Works: A Guide to Financial Literacy, Investing, Economics and Smart Money Skills for Kids Aged 8-12 | Full-Color Illustrated Edition (How Things Work)
- List rank#6
- Price$19.95
- Rating4.7
- Reviews86
-
National Geographic Little Kids First Big Book of Dinosaurs
- List rank#7
- Price$10.24
- Rating4.8
- Reviews16,077
-
Knowledge Encyclopedia Human Body!: Human Anatomy as You've Never Seen It Before
by DK
- List rank#8
- Price$15.92
- Rating4.9
- Reviews7,570
-
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#9
- Price$16.99
- Reviews-
-
The Animal Book: A Visual Animal Kingdom Encyclopedia for Kids (DK Our World in Pictures)
by David Burnie
- List rank#10
- Price$18.04
- Rating4.9
- Reviews4,047
FAQ
Is Children's a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 1,010 reviews and sells for $16.84.
How many reviews do you need to rank in Children's?
The median best seller has 1,010 reviews, and 22% of them have fewer than 100.
What do Children's best sellers cost?
The median price is $16.84; half of the best sellers are priced between $13.52 and $19.87.
Can new books break into Children's?
12% 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.