KDP categories · Top KDP authors
Limnology (Geology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Limnology (Geology, Books), updated Nov 2, 2026: median price $61.98, median 10 reviews, average rating 4.6 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $29.95 – $93.36 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 6% |
| Books on the list | 99 |
| Store | Books |
What stands out
- Its median reviews are 3% of the parent category Geology (307), one of the easier corners under it.
- At $61.98 its median price beats 97% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 82% of Books categories: the median best seller has only 10 reviews, so new books can chart with few.
Top 10 Limnology best sellers
-
Scientific American September 2026
- List rank#1
- Price$6.99
- Rating4.8
- Reviews13
-
Scientific American October 2026
- List rank#2
- Price$6.99
- Rating4.2
- Reviews7
-
Scientific American June 2026
- List rank#3
- Price$6.99
- Rating4.4
- Reviews42
-
Scientific American November 2026
- List rank#4
- Price$6.99
- Reviews-
-
Ecology of the Planted Aquarium: A Practical Manual and Scientific Treatise
by Diana Walstad
- List rank#5
- Price$25.52
- Rating4.7
- Reviews1,418
-
Scientific American May 2026
- List rank#6
- Price$6.99
- Rating4.0
- Reviews1
-
Scientific American July/August 2026
- List rank#7
- Price$6.99
- Rating4.7
- Reviews8
-
Salmon: A Fish, the Earth, and the History of a Common Fate
- List rank#8
- Price-
- Rating4.7
- Reviews393
-
Ponds and Small Lakes: Microorganisms and Freshwater Ecology (Naturalists' Handbooks, 32)
by Brian Moss
- List rank#9
- Price$24.22
- Rating4.6
- Reviews162
-
Salt Lakes: An Unnatural History
by Caroline Tracey
- List rank#10
- Price$16.41
- Rating3.8
- Reviews28
FAQ
Is Limnology a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $61.98.
How many reviews do you need to rank in Limnology?
The median best seller has 10 reviews, and 89% of them have fewer than 100.
What do Limnology best sellers cost?
The median price is $61.98; half of the best sellers are priced between $29.95 and $93.36.
Can new books break into Limnology?
6% 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.