KDP categories · Top KDP authors
Clinical Chemistry (Pathology, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Clinical Chemistry (Pathology, Kindle eBooks), updated Nov 2, 2026: median price $36, median 79 reviews, average rating 4.5 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $14.63 – $50.50 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 2% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- At $36 its median price beats 99% of Kindle eBooks categories, leaving more margin per copy.
- Only 2% of its best sellers are under 90 days old, fewer than in 93% of Kindle eBooks categories: established titles hold the list.
- Its median reviews are 33% of the parent category Pathology (241), one of the easier corners under it.
Top 10 Clinical Chemistry best sellers
-
Rethinking Hypothyroidism: Why Treatment Must Change and What Patients Can Do
by Dr. Antonio C. Bianco MD M.D. Ph.D
- List rank#1
- Price$8.99
- Rating4.4
- Reviews138
-
The Breast Advice: All You Need to Know About Breast Health, Screening, and Treatment
by Dr. Elisa Port
- List rank#2
- Price$14.99
- Rating4.4
- Reviews32
-
First Aid for the USMLE Step 1 2026
by Tao Le
- List rank#3
- Price$52
- Rating4.6
- Reviews292
-
The Cortisol Cure: The Secret to Resetting Your Stress Response, Boosting Energy & Feeling Better Than Ever
by Dr. Erin Kinney
- List rank#4
- Price$14.99
- Rating4.6
- Reviews20
-
Pocket Medicine
by Marc S. Sabatine
- List rank#5
- Price$52.79
- Rating4.6
- Reviews99
-
Peptide Protocols: Volume One
by William A Seeds
- List rank#6
- Price$16.99
- Rating4.6
- Reviews614
-
First Aid Clinical Algorithms for the USMLE Step 2 CK
by Jonathan Kramer-Feldman
- List rank#7
- Price$42.40
- Rating4.5
- Reviews83
-
ER Days
by nick casto
- List rank#8
- Price$2.99
- Rating4.4
- Reviews1,494
-
Case Files Obstetrics and Gynecology, Sixth Edition
by Eugene C. Toy
- List rank#9
- Price$36.34
- Rating4.8
- Reviews47
-
First Aid for the Psychiatry Clerkship, Sixth Edition
by Latha Ganti
- List rank#10
- Price$46.40
- Rating4.7
- Reviews123
FAQ
Is Clinical Chemistry a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 79 reviews and sells for $36.
How many reviews do you need to rank in Clinical Chemistry?
The median best seller has 79 reviews, and 53% of them have fewer than 100.
What do Clinical Chemistry best sellers cost?
The median price is $36; half of the best sellers are priced between $14.63 and $50.50.
Can new books break into Clinical Chemistry?
2% 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.