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Encyclopedias & Subject Guides: Amazon KDP category data

Amazon Books Best Sellers data for Encyclopedias & Subject Guides, updated Nov 2, 2026: median price $17.87, median 1,970 reviews, average rating 4.7 and a KDPTop opportunity score of 32/100 (highly competitive).

32Opportunity / 100
$17.87Median price
1,970Median reviews
Price range (middle 50%)$12.54 – $23.12
Average rating4.7
New releases (90 days)11%
Books on the list100
StoreBooks

What stands out

  • Its review barrier is higher than in 92% of Books categories: the median best seller has 1,970 reviews, so new books need time to build up.
  • Its median reviews are 48% of the parent category Reference (4,090), one of the easier corners under it.

Top 10 Encyclopedias & Subject Guides 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. Art, Annotated: The World's 500 Greatest Paintings Explained book cover by DK

    Art, Annotated: The World's 500 Greatest Paintings Explained

    by DK

    • List rank#2
    • Price$2.99
    • Rating4.7
    • Reviews137

    View on Amazon · Full data on KDPTop

  3. History of the World Map by Map (DK History Map by Map) book cover by DK

    History of the World Map by Map (DK History Map by Map)

    by DK

    • List rank#3
    • Price$2.99
    • Rating4.8
    • Reviews8,663

    View on Amazon · Full data on KDPTop

  4. Betty Crocker's Cooky Book (facsimile Edition): Classic Cookie Recipes from the Beloved 19 book cover by Betty Crocker

    Betty Crocker's Cooky Book (facsimile Edition): Classic Cookie Recipes from the Beloved 1963 Edition, with 450 Favorites from Holiday Treats to Family Classics

    by Betty Crocker

    • List rank#4
    • Price$29.99
    • Rating4.8
    • Reviews4,196

    View on Amazon · Full data on KDPTop

  5. The Encyclopedia of Country Living, 50th Anniversary Edition: The Original Manual for Livi book cover by Carla Emery

    The Encyclopedia of Country Living, 50th Anniversary Edition: The Original Manual for Living Off the Land & Doing It Yourself (Homesteading & Off-Grid Survival)

    by Carla Emery

    • List rank#5
    • Price$21.79
    • Rating4.8
    • Reviews5,264

    View on Amazon · Full data on KDPTop

  6. Today We Are Cooking . . .: Recipes That Teach You to Think Like a Chef book cover by Tini Younger

    Today We Are Cooking . . .: Recipes That Teach You to Think Like a Chef

    by Tini Younger

    • List rank#6
    • Price$23.40
    • Reviews-

    View on Amazon · Full data on KDPTop

  7. Bushcraft 101: A Field Guide to the Art of Wilderness Survival (Bushcraft Survival Skills  book cover by Dave Canterbury

    Bushcraft 101: A Field Guide to the Art of Wilderness Survival (Bushcraft Survival Skills Series)

    by Dave Canterbury

    • List rank#7
    • Price$15.80
    • Rating4.7
    • Reviews25,773

    View on Amazon · Full data on KDPTop

  8. 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#8
    • Price$22.97
    • Rating4.5
    • Reviews240

    View on Amazon · Full data on KDPTop

  9. The Case for Christ: A Journalist's Personal Investigation of the Evidence for Jesus (Case book cover by Lee Strobel

    The Case for Christ: A Journalist's Personal Investigation of the Evidence for Jesus (Case for ... Series)

    by Lee Strobel

    • List rank#9
    • Price$10.48
    • Rating4.8
    • Reviews15,801

    View on Amazon · Full data on KDPTop

  10. The Official Red Book®: A Guide Book of United States Coins, 2027, 80th Edition – The Defi book cover by Jeff Garrett

    The Official Red Book®: A Guide Book of United States Coins, 2027, 80th Edition – The Definitive Grade-by-Grade U.S. Coin Collecting & Retail Price ... History, Grading, GSID, & Color Images

    by Jeff Garrett

    • List rank#10
    • Price$16.73
    • Rating4.7
    • Reviews438

    View on Amazon · Full data on KDPTop

Subcategories

Same niche in Kindle eBooks: Encyclopedias

FAQ

Is Encyclopedias & Subject Guides a good niche for Amazon KDP?

Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 1,970 reviews and sells for $17.87.

How many reviews do you need to rank in Encyclopedias & Subject Guides?

The median best seller has 1,970 reviews, and 12% of them have fewer than 100.

What do Encyclopedias & Subject Guides best sellers cost?

The median price is $17.87; half of the best sellers are priced between $12.54 and $23.12.

Can new books break into Encyclopedias & Subject Guides?

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.