KDP categories · Top KDP authors

Geology (Earth Sciences, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Geology (Earth Sciences, Kindle eBooks), updated Nov 2, 2026: median price $7.99, median 74 reviews, average rating 4.5 and a KDPTop opportunity score of 23/100 (highly competitive).

23Opportunity / 100
$7.99Median price
74Median reviews
Price range (middle 50%)$4.99 – $11.99
Average rating4.5
New releases (90 days)8%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 13% of the parent category Earth Sciences (578), one of the easier corners under it.
  • Prices spread wide: the middle half runs from $4.99 to $11.99, so budget editions and premium or boxed sets sell side by side.

Top 10 Geology best sellers

  1. Salt: A World History book cover by Mark Kurlansky

    Salt: A World History

    by Mark Kurlansky

    • List rank#1
    • Price$9.99
    • Rating4.3
    • Reviews4,651

    View on Amazon · Full data on KDPTop

  2. Scientific American September 2026 book cover by Scientific American

    Scientific American September 2026

    by Scientific American

    • List rank#2
    • Price$6.99
    • Rating4.8
    • Reviews13

    View on Amazon · Full data on KDPTop

  3. Scientific American October 2026 book cover by Scientific American

    Scientific American October 2026

    by Scientific American

    • List rank#3
    • Price$6.99
    • Rating4.2
    • Reviews7

    View on Amazon · Full data on KDPTop

  4. Cadillac Desert: The American West and Its Disappearing Water, Revised Edition book cover by Marc Reisner

    Cadillac Desert: The American West and Its Disappearing Water, Revised Edition

    by Marc Reisner

    • List rank#4
    • Price$2.99
    • Rating4.6
    • Reviews1,441

    View on Amazon · Full data on KDPTop

  5. Scientific American June 2026 book cover by Scientific American

    Scientific American June 2026

    by Scientific American

    • List rank#5
    • Price$6.99
    • Rating4.4
    • Reviews42

    View on Amazon · Full data on KDPTop

  6. Here on Earth: A Natural History of the Planet book cover by Tim Flannery

    Here on Earth: A Natural History of the Planet

    by Tim Flannery

    • List rank#6
    • Price$2.99
    • Rating4.2
    • Reviews228

    View on Amazon · Full data on KDPTop

  7. Scientific American November 2026 book cover by Scientific American

    Scientific American November 2026

    by Scientific American

    • List rank#7
    • Price$6.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  8. The Rise and Fall of the Dinosaurs: A New History of a Lost World: The Definitive Dinosaur book cover by Steve Brusatte

    The Rise and Fall of the Dinosaurs: A New History of a Lost World: The Definitive Dinosaur Encyclopedia with Stunning Illustrations, Embark on a Prehistoric Quest!

    by Steve Brusatte

    • List rank#8
    • Price$8.99
    • Rating4.6
    • Reviews6,919

    View on Amazon · Full data on KDPTop

  9. The Story of Earth: The First 4.5 Billion Years, from Stardust to Living Planet book cover by Robert M. Hazen

    The Story of Earth: The First 4.5 Billion Years, from Stardust to Living Planet

    by Robert M. Hazen

    • List rank#9
    • Price$4.99
    • Rating4.6
    • Reviews1,353

    View on Amazon · Full data on KDPTop

  10. A Crack in the Edge of the World: America and the Great California Earthquake of 1906 book cover by Simon Winchester

    A Crack in the Edge of the World: America and the Great California Earthquake of 1906

    by Simon Winchester

    • List rank#10
    • Price$2.99
    • Rating4.3
    • Reviews494

    View on Amazon · Full data on KDPTop

Same niche in Books: Geology

FAQ

Is Geology a good niche for Amazon KDP?

Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 74 reviews and sells for $7.99.

How many reviews do you need to rank in Geology?

The median best seller has 74 reviews, and 56% of them have fewer than 100.

What do Geology best sellers cost?

The median price is $7.99; half of the best sellers are priced between $4.99 and $11.99.

Can new books break into Geology?

8% 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.