KDP categories · Top KDP authors
Internal Medicine (Clinical, Books): Amazon KDP category data
Amazon Books Best Sellers data for Internal Medicine (Clinical, Books), updated Nov 3, 2026: median price $72.40, median 32 reviews, average rating 4.5 and a KDPTop opportunity score of 37/100 (highly competitive).
| Price range (middle 50%) | $44.98 – $112 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 10% of the parent category Clinical (312), one of the easier corners under it.
- At $72.40 its median price beats 98% of Books categories, leaving more margin per copy.
- Prices spread wide: the middle half runs from $44.98 to $112, so budget editions and premium or boxed sets sell side by side.
Top 10 Internal Medicine best sellers
-
Pocket Medicine
by MARC SABATINE
- List rank#1
- Price$62.37
- Rating4.6
- Reviews99
-
Marino's The ICU Book: Print + eBook with Updates
by Paul Marino
- List rank#2
- Price$112
- Rating4.1
- Reviews105
-
Harrison's Principles of Internal Medicine, Twenty-Second Edition (Vol.1 & Vol.2)
by Dan Longo
- List rank#3
- Price$179
- Rating4.8
- Reviews151
-
Clinical Pathophysiology Made Ridiculously Simple: Color Edition
by Aaron Berkowitz M.D. Ph.D.
- List rank#4
- Price$37.95
- Rating4.6
- Reviews2,506
-
Defying Parkinsons: Cutting Edge Therapies That Outperform Standard Neurological Treatments
by Dr. Gregory Eckel
- List rank#5
- Price$14.95
- Rating4.8
- Reviews363
-
Artificial Intelligence in Medicine (Volume 1 & 2)
by Niklas Lidströmer
- List rank#6
- Price$1,300
- Rating3.2
- Reviews15
-
Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 9th Edition
by Judith E. Tintinalli
- List rank#7
- Price$175
- Rating4.8
- Reviews485
-
Step-Up to Medicine (Step-Up Series)
by Steven Agabegi MD
- List rank#8
- Price$69.99
- Rating4.6
- Reviews118
-
Bates' Guide To Physical Examination and History Taking (Lippincott Connect)
by Rainier P. Soriano MD
- List rank#9
- Price$145
- Rating4.6
- Reviews52
-
Pocket Primary Care (Pocket Notebook Series)
by CURTIS CHONG
- List rank#10
- Price$69.99
- Rating3.7
- Reviews5
FAQ
Is Internal Medicine a good niche for Amazon KDP?
Its KDPTop opportunity score is 37/100, which makes it highly competitive. The median best seller has 32 reviews and sells for $72.40.
How many reviews do you need to rank in Internal Medicine?
The median best seller has 32 reviews, and 74% of them have fewer than 100.
What do Internal Medicine best sellers cost?
The median price is $72.40; half of the best sellers are priced between $44.98 and $112.
Can new books break into Internal Medicine?
13% 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.