KDP categories · Top KDP authors
Geology (Earth Sciences, Books): Amazon KDP category data
Amazon Books Best Sellers data for Geology (Earth Sciences, Books), updated Nov 3, 2026: median price $15.57, median 307 reviews, average rating 4.6 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $11.45 – $22.78 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 21% of the parent category Earth Sciences (1,495), one of the easier corners under it.
Top 10 Geology best sellers
-
Salt: A World History
- List rank#1
- Price$10.81
- Rating4.3
- Reviews4,651
-
Ricky, the Rock That Couldn't Roll (You Rock Group)
by Mr. Jay
- List rank#2
- Price$9.22
- Rating4.8
- Reviews4,194
-
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!
- List rank#3
- Price$15.11
- Rating4.6
- Reviews6,919
-
Cadillac Desert: The American West and Its Disappearing Water, Revised Edition
by Marc Reisner
- List rank#4
- Price$2.99
- Rating4.6
- Reviews1,441
-
Scientific American September 2026
- List rank#5
- Price$6.99
- Rating4.8
- Reviews13
-
-
Scientific American October 2026
- List rank#7
- Price$6.99
- Rating4.2
- Reviews7
-
Scientific American June 2026
- List rank#8
- Price$6.99
- Rating4.4
- Reviews42
-
Underland: A Deep Time Journey
- List rank#9
- Price$8.33
- Rating4.6
- Reviews3,159
-
National Geographic Pocket Guide to Rocks and Minerals of North America | cycling-equipment
by Sarah Garlick
- List rank#10
- Price$12.95
- Rating4.7
- Reviews2,447
Subcategories
Same niche in Kindle eBooks: Geology
FAQ
Is Geology a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 307 reviews and sells for $15.57.
How many reviews do you need to rank in Geology?
The median best seller has 307 reviews, and 23% of them have fewer than 100.
What do Geology best sellers cost?
The median price is $15.57; half of the best sellers are priced between $11.45 and $22.78.
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.