KDP categories · Top KDP authors
Rocks & Minerals (Nature & Ecology, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Rocks & Minerals (Nature & Ecology, Kindle eBooks), updated Nov 2, 2026: median price $9.24, median 10 reviews, average rating 4.2 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $5.83 – $10.49 |
|---|---|
| Average rating | 4.2 |
| New releases (90 days) | 15% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 1% of the parent category Nature & Ecology (1,034), one of the easier corners under it.
- Its review barrier is lower than in 81% of Kindle eBooks categories: the median best seller has only 10 reviews, so new books can chart with few.
- 15% of its best sellers came out in the last 90 days, more than in 76% of Kindle eBooks categories: readers here keep buying new titles.
Top 10 Rocks & Minerals best sellers
-
Salt: A World History
- List rank#1
- Price$9.99
- Rating4.3
- Reviews4,651
-
Rockhounding in Texas (FULL-COLOR): A Guide to Top Rock Sites, GPS Coordinates, Mineral Hunting, and Collecting Agates, Topaz, Petrified Wood, and Jasper in the Field (WITH INTERACTIVE MAPS)
by Johnson Emberlain
- List rank#2
- Price$5.60
- Rating4.2
- Reviews10
-
The Collector's Roadside: Rockhounding Texas and New Mexico: Field Directions, Maps, Seasonal Access Notes, and What You'll Find (Field Evidence Guides)
- List rank#3
- Price$5.99
- Reviews-
-
The Map That Changed the World: William Smith and the Birth of Modern Geology — A Biography of the Founder of Geology
- List rank#4
- Price$7.99
- Rating4.2
- Reviews1,035
-
The Hand-Tool Lapidary Handbook: A Practical Guide to Shaping, Polishing & Finishing Gemstones by Hand
by Morgan Reid
- List rank#5
- Price$6.99
- Rating1.0
- Reviews1
-
Rocks & Minerals (DK Handbooks)
by Chris Pellant
- List rank#6
- Price$8.99
- Rating4.7
- Reviews324
-
-
Field Book of Common Rocks and Minerals: Enriched edition. For identifying the Rocks and Minerals of the United States and interpreting their Origins
by Frederic Brewster Loomis
- List rank#8
- Price$0.99
- Rating5.0
- Reviews2
-
Turning to Stone: Discovering the Subtle Wisdom of Rocks
by Marcia Bjornerud
- List rank#9
- Price$12.99
- Rating4.7
- Reviews207
-
Michigan Rocks & Minerals: A Field Guide to the Great Lake State (Rocks & Minerals Identification Guides)
by Dan R. Lynch
- List rank#10
- Price$12.22
- Rating4.7
- Reviews1,401
Same niche in Books: Rocks & Minerals
FAQ
Is Rocks & Minerals a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $9.24.
How many reviews do you need to rank in Rocks & Minerals?
The median best seller has 10 reviews, and 72% of them have fewer than 100.
What do Rocks & Minerals best sellers cost?
The median price is $9.24; half of the best sellers are priced between $5.83 and $10.49.
Can new books break into Rocks & Minerals?
15% 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.