KDP categories · Top KDP authors
Clinical (Chemistry, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Clinical (Chemistry, Kindle eBooks), updated Nov 3, 2026: median price $11.99, median 3 reviews, average rating 4.4 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $6.99 – $47.49 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 3% of the parent category Chemistry (102), one of the easier corners under it.
- Its review barrier is lower than in 92% of Kindle eBooks categories: the median best seller has only 3 reviews, so new books can chart with few.
- At $11.99 its median price beats 93% of Kindle eBooks categories, leaving more margin per copy.
Top 10 Clinical 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-
-
A Planet of Viruses: Third Edition
by Carl Zimmer
- List rank#5
- Price$15.94
- Rating4.5
- Reviews523
-
Scientific American May 2026
- List rank#6
- Price$6.99
- Rating4.0
- Reviews1
-
Organic Chemistry Made Easy: Organic Chem Reference Guide for College Students: Complete Study System with Mnemonics, Color-Coded Learning, Reaction ... ... Questions (Made Easy Academy Series)
by Made Easy Academy
- List rank#7
- Price$2.99
- Rating3.8
- Reviews4
-
Scientific American July/August 2026
- List rank#8
- Price$6.99
- Rating4.7
- Reviews8
-
Scientific American 20th January 2026
- List rank#9
- Price$6.99
- Rating4.6
- Reviews3
-
Molecular Diagnosis
by S Jeffery
- List rank#10
- Price$29.22
- Rating5.0
- Reviews1
Same niche in Books: Clinical
FAQ
Is Clinical a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 3 reviews and sells for $11.99.
How many reviews do you need to rank in Clinical?
The median best seller has 3 reviews, and 94% of them have fewer than 100.
What do Clinical best sellers cost?
The median price is $11.99; half of the best sellers are priced between $6.99 and $47.49.
Can new books break into Clinical?
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.