KDP categories · Top KDP authors
Crystallography (Earth Sciences, Books): Amazon KDP category data
Amazon Books Best Sellers data for Crystallography (Earth Sciences, Books), updated Nov 3, 2026: median price $38.04, median 10 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $19.23 – $85.61 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 6% |
| 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 $38.04 its median price beats 93% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 83% of Books categories: the median best seller has only 10 reviews, so new books can chart with few.
Top 10 Crystallography 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-
-
Snow Crystals (Dover Pictorial Archive)
by W. A. Bentley
- List rank#5
- Price$16.19
- Rating4.6
- Reviews219
-
Scientific American July/August 2026
- List rank#6
- Price$6.99
- Rating4.7
- Reviews8
-
The Six-Cornered Snowflake
by Johannes Kepler
- List rank#7
- Price$14.95
- Rating4.5
- Reviews57
-
Scientific American May 2026
- List rank#8
- Price$6.99
- Rating4.0
- Reviews1
-
Scientific American 14th April 2026
- List rank#9
- Price$6.99
- Rating4.5
- Reviews11
-
The Crystal Almanac: Harness Your Crystals Through the Year
by Gemma Petherbridge
- List rank#10
- Price$11.59
- Rating4.8
- Reviews13
Same niche in Kindle eBooks: Crystallography
FAQ
Is Crystallography a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $38.04.
How many reviews do you need to rank in Crystallography?
The median best seller has 10 reviews, and 94% of them have fewer than 100.
What do Crystallography best sellers cost?
The median price is $38.04; half of the best sellers are priced between $19.23 and $85.61.
Can new books break into Crystallography?
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.