KDP categories · Top KDP authors

Encyclopedias (Children's Books › Reference, Books): Amazon KDP category data

Amazon Books Best Sellers data for Encyclopedias (Children's Books › Reference, Books), updated Nov 2, 2026: median price $16.05, median 996 reviews, average rating 4.8 and a KDPTop opportunity score of 30/100 (highly competitive).

30Opportunity / 100
$16.05Median price
996Median reviews
Price range (middle 50%)$12.63 – $19.97
Average rating4.8
New releases (90 days)11%
Books on the list100
StoreBooks

What stands out

  • Its review barrier is higher than in 85% of Books categories: the median best seller has 996 reviews, so new books need time to build up.

Top 10 Encyclopedias best sellers

  1. 100,000 Whys for Kids: A Full-Color Visual Encyclopedia of Big Questions, Clear Answers, S book cover by Elliott Wonder

    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

    by Elliott Wonder

    • List rank#1
    • Price$19.97
    • Rating4.4
    • Reviews904

    View on Amazon · Full data on KDPTop

  2. 100,000 Whys for Smart Kids: The Visual Encyclopedia for Smart & Curious Kids - Big Questi book cover by Jennifer L. Trace

    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)

    by Jennifer L. Trace

    • List rank#2
    • Price$22.97
    • Rating4.5
    • Reviews240

    View on Amazon · Full data on KDPTop

  3. 100,000 Whys for Kids Ages 6–12: An Extraordinary Illustrated Encyclopedia to the Incredib book cover by Lewis Minard

    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

    View on Amazon · Full data on KDPTop

  4. How Money Actually Works: A Guide to Financial Literacy, Investing, Economics and Smart Mo book cover by Claire Monroe

    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)

    by Claire Monroe

    • List rank#4
    • Price$19.95
    • Rating4.7
    • Reviews86

    View on Amazon · Full data on KDPTop

  5. The Wheel of the Year: An Illustrated Guide to Nature's Rhythms book cover by Fiona Cook

    The Wheel of the Year: An Illustrated Guide to Nature's Rhythms

    by Fiona Cook

    • List rank#5
    • Price$10.43
    • Rating4.8
    • Reviews1,063

    View on Amazon · Full data on KDPTop

  6. National Geographic Little Kids First Big Book of Dinosaurs book cover by Catherine D. Hughes

    National Geographic Little Kids First Big Book of Dinosaurs

    by Catherine D. Hughes

    • List rank#6
    • Price$10.24
    • Rating4.8
    • Reviews16,077

    View on Amazon · Full data on KDPTop

  7. Knowledge Encyclopedia Human Body!: Human Anatomy as You've Never Seen It Before book cover by DK

    Knowledge Encyclopedia Human Body!: Human Anatomy as You've Never Seen It Before

    by DK

    • List rank#7
    • Price$15.92
    • Rating4.9
    • Reviews7,570

    View on Amazon · Full data on KDPTop

  8. The Animal Book: A Visual Animal Kingdom Encyclopedia for Kids (DK Our World in Pictures) book cover by David Burnie

    The Animal Book: A Visual Animal Kingdom Encyclopedia for Kids (DK Our World in Pictures)

    by David Burnie

    • List rank#8
    • Price$18.04
    • Rating4.9
    • Reviews4,047

    View on Amazon · Full data on KDPTop

  9. National Geographic Kids Animal Encyclopedia, 2nd Edition: 2,500 Animals with Photos, Maps book cover by National Geographic

    National Geographic Kids Animal Encyclopedia, 2nd Edition: 2,500 Animals with Photos, Maps, and More! (NGK Encyclopedias)

    by National Geographic

    • List rank#9
    • Price$14
    • Rating4.8
    • Reviews1,384

    View on Amazon · Full data on KDPTop

  10. Super Interesting Facts For Smart Kids: 1272 Fun Facts About Science, Animals, Earth and E book cover by Jordan Moore

    Super Interesting Facts For Smart Kids: 1272 Fun Facts About Science, Animals, Earth and Everything in Between

    by Jordan Moore

    • List rank#10
    • Price$9.97
    • Rating4.7
    • Reviews4,039

    View on Amazon · Full data on KDPTop

Same niche in Kindle eBooks: Encyclopedias

FAQ

Is Encyclopedias a good niche for Amazon KDP?

Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 996 reviews and sells for $16.05.

How many reviews do you need to rank in Encyclopedias?

The median best seller has 996 reviews, and 21% of them have fewer than 100.

What do Encyclopedias best sellers cost?

The median price is $16.05; half of the best sellers are priced between $12.63 and $19.97.

Can new books break into Encyclopedias?

11% 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.