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Encyclopedias (Nonfiction › Reference, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Encyclopedias (Nonfiction › Reference, Kindle eBooks), updated Nov 2, 2026: median price $6.99, median 106 reviews, average rating 4.5 and a KDPTop opportunity score of 22/100 (highly competitive).

22Opportunity / 100
$6.99Median price
106Median reviews
Price range (middle 50%)$2.99 – $8.99
Average rating4.5
New releases (90 days)18%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 23% of the parent category Reference (466), one of the easier corners under it.
  • 18% of its best sellers came out in the last 90 days, more than in 83% of Kindle eBooks categories: readers here keep buying new titles.
  • Prices spread wide: the middle half runs from $2.99 to $8.99, so budget editions and premium or boxed sets sell side by side.

Top 10 Encyclopedias best sellers

  1. The Dog Encyclopedia for Kids book cover by Tammy Gagne

    The Dog Encyclopedia for Kids

    by Tammy Gagne

    • List rank#1
    • Price$9.99
    • Rating4.8
    • Reviews877

    View on Amazon · Full data on KDPTop

  2. National Geographic Little Kids First Big Book of Space (National Geographic Little Kids F book cover by Catherine D. Hughes

    National Geographic Little Kids First Big Book of Space (National Geographic Little Kids First Big Books)

    by Catherine D. Hughes

    • List rank#2
    • Price$7.99
    • Rating4.8
    • Reviews15,500

    View on Amazon · Full data on KDPTop

  3. 100,000 Whys for Curious Kids: An Illustrated Collection of Real Questions, Amazing Answer book cover by Edward Sparks

    100,000 Whys for Curious Kids: An Illustrated Collection of Real Questions, Amazing Answers about Space, Science, Animals, Nature, Human Body, History, and the World Around You for Ages 6-12

    by Edward Sparks

    • List rank#3
    • Price$2.99
    • Rating5.0
    • Reviews64

    View on Amazon · Full data on KDPTop

  4. The Big Book of Blocky Whys?: An Unofficial Minecraft Guide for Kids Ages 7–12: 250 Questi book cover by Steve Blockman

    The Big Book of Blocky Whys?: An Unofficial Minecraft Guide for Kids Ages 7–12: 250 Questions Answered and Mind-Blowing Facts About Mobs, Villagers, ... ... Redstone (The Blockman's Bible Series 11)

    by Steve Blockman

    • List rank#4
    • Price$4.99
    • Rating3.7
    • Reviews22

    View on Amazon · Full data on KDPTop

  5. 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#5
    • Price$3.99
    • Rating4.7
    • Reviews4,039

    View on Amazon · Full data on KDPTop

  6. The Excuse Encyclopedia: Books 1 - 12 in the 49... Series book cover by James Warwood

    The Excuse Encyclopedia: Books 1 - 12 in the 49... Series

    by James Warwood

    • List rank#6
    • Price$12.99
    • Rating4.6
    • Reviews400

    View on Amazon · Full data on KDPTop

  7. National Geographic Little Kids First Big Book of Animals (National Geographic Little Kids book cover by Catherine D. Hughes

    National Geographic Little Kids First Big Book of Animals (National Geographic Little Kids First Big Books)

    by Catherine D. Hughes

    • List rank#7
    • Price$6.99
    • Rating4.8
    • Reviews5,628

    View on Amazon · Full data on KDPTop

  8. The Ultimate Unofficial Minecraft Mob Bible: The Complete Mob Encyclopedia: Spawns, Drops, book cover by Steve Blockman

    The Ultimate Unofficial Minecraft Mob Bible: The Complete Mob Encyclopedia: Spawns, Drops, Weaknesses & Farming Tactics (The Blockman's Bible Series Book 10)

    by Steve Blockman

    • List rank#8
    • Price$2.99
    • Rating4.5
    • Reviews135

    View on Amazon · Full data on KDPTop

  9. 10,000 WHYS FOR BIG-THINKING KIDS: Amazing Questions, Surprising Answers, Brain-Bending My book cover by PATRICE  BRYAN

    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$7.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  10. National Geographic Little Kids First Big Book of Bugs (National Geographic Little Kids Fi book cover by Catherine D. Hughes

    National Geographic Little Kids First Big Book of Bugs (National Geographic Little Kids First Big Books)

    by Catherine D. Hughes

    • List rank#10
    • Price$8.99
    • Rating4.8
    • Reviews3,427

    View on Amazon · Full data on KDPTop

Same niche in Books: Encyclopedias

FAQ

Is Encyclopedias a good niche for Amazon KDP?

Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 106 reviews and sells for $6.99.

How many reviews do you need to rank in Encyclopedias?

The median best seller has 106 reviews, and 48% of them have fewer than 100.

What do Encyclopedias best sellers cost?

The median price is $6.99; half of the best sellers are priced between $2.99 and $8.99.

Can new books break into Encyclopedias?

18% 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.