KDP categories · Top KDP authors
Geochemistry: Amazon KDP category data
Amazon Books Best Sellers data for Geochemistry, updated Nov 3, 2026: median price $61.25, median 8 reviews, average rating 4.6 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $29.49 – $89.90 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 1% of the parent category Earth Sciences (1,495), one of the easier corners under it.
- At $61.25 its median price beats 97% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 84% of Books categories: the median best seller has only 8 reviews, so new books can chart with few.
Top 10 Geochemistry best sellers
-
Timefulness: How Thinking Like a Geologist Can Help Save the World
by Marcia Bjornerud
- List rank#1
- Price$12.30
- Rating4.6
- Reviews540
-
Soil Science for Beginners: The Vegetable Gardener’s Guide to Soil Health – 9 Steps to Stellar Soil for Traditional, No-Till, Raised Bed and Container Gardens
by Richard Bray
- List rank#2
- Price$16.99
- Rating4.7
- Reviews165
-
Soil Science for Beginner Gardeners: A Visual, Step-by-Step Guide to Understanding Soil, Fixing Common Problems, and Growing Healthier Plants—Even If You’re New to Gardening
by David Harlow
- List rank#3
- Price$15.99
- Rating4.8
- Reviews24
-
-
Essentials of Igneous and Metamorphic Petrology
by B. Ronald Frost
- List rank#5
- Price$49.27
- Rating4.4
- Reviews28
-
Alien Oceans: The Search for Life in the Depths of Space
by Kevin Hand
- List rank#6
- Price$10.99
- Rating4.8
- Reviews338
-
-
Geologic History of Florida: Major Events that Formed the Sunshine State
by Albert C. Hine
- List rank#8
- Price$34.95
- Rating4.9
- Reviews73
-
Cosmochemistry
by Harry McSween Jr
- List rank#9
- Price$84.29
- Rating3.5
- Reviews2
-
New View of the Moon 2 (Reviews in Mineralogy & Geochemistry, 89)
by Clive R. Neal
- List rank#10
- Price$61.66
- Rating5.0
- Reviews2
FAQ
Is Geochemistry a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 8 reviews and sells for $61.25.
How many reviews do you need to rank in Geochemistry?
The median best seller has 8 reviews, and 92% of them have fewer than 100.
What do Geochemistry best sellers cost?
The median price is $61.25; half of the best sellers are priced between $29.49 and $89.90.
Can new books break into Geochemistry?
5% 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.