KDP categories · Top KDP authors
Internal Medicine (Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Internal Medicine (Medicine, Books), updated Nov 2, 2026: median price $16.30, median 2,081 reviews, average rating 4.6 and a KDPTop opportunity score of 30/100 (highly competitive).
| Price range (middle 50%) | $11.88 – $20.46 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 92% of Books categories: the median best seller has 2,081 reviews, so new books need time to build up.
Top 10 Internal Medicine best sellers
-
The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma
- List rank#1
- Price$19.59
- Rating4.8
- Reviews85,515
-
Everything Is Tuberculosis: The History and Persistence of Our Deadliest Infection
by John Green
- List rank#2
- Price$1.99
- Rating4.4
- Reviews11,568
-
The Survival Medicine Handbook: The Essential Guide for When Help is NOT on the Way
by Joseph Alton MD
- List rank#3
- Price$30.44
- Rating4.8
- Reviews4,090
-
When Breath Becomes Air: Pulitzer Prize Finalist
- List rank#4
- Price$10.98
- Rating4.7
- Reviews120,214
-
Nicole Angemi's Anatomy Book: A Catalog of Familiar, Rare, and Unusual Pathologies
by Nicole Angemi
- List rank#5
- Price$1.99
- Rating4.8
- Reviews641
-
Love Your Gut: Supercharge Your Digestive Health and Transform Your Well-Being from the Inside Out
by Megan Rossi
- List rank#6
- Price$1.99
- Rating4.7
- Reviews311
-
Why We Die: The New Science of Aging and the Quest for Immortality
- List rank#7
- Price$2.99
- Rating4.4
- Reviews1,472
-
Why We Sleep: Unlocking the Power of Sleep and Dreams
by Matthew Walker PhD
- List rank#8
- Price$16.95
- Rating4.7
- Reviews34,646
-
The New Menopause: Navigating Your Path Through Hormonal Change with Purpose, Power, and Facts
- List rank#9
- Price$16.32
- Rating4.7
- Reviews4,903
-
Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persistent Disease
- List rank#10
- Price$29.12
- Rating4.4
- Reviews11
Subcategories
- Emergency39
- Dermatology37
- Nephrology36
- Physical Medicine & Rehabilitation35
- Radiology35
- Obstetrics & Gynecology34
- Endocrinology & Metabolism34
- Geriatrics34
- Critical Care34
- Cardiology34
- Hematology34
- Family Practice33
- Oncology33
- Neurology33
- Rheumatology33
- Hepatology32
- Urology32
- Pulmonary31
- Epidemiology31
- Psychiatry31
- Infectious Disease29
- Occupational & Industrial29
- Pediatrics28
- Pathology28
- Gastroenterology28
- Reproductive Medicine & Technology28
- Osteopathy27
- Bariatrics22
FAQ
Is Internal Medicine a good niche for Amazon KDP?
Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 2,081 reviews and sells for $16.30.
How many reviews do you need to rank in Internal Medicine?
The median best seller has 2,081 reviews, and 9% of them have fewer than 100.
What do Internal Medicine best sellers cost?
The median price is $16.30; half of the best sellers are priced between $11.88 and $20.46.
Can new books break into Internal Medicine?
9% 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.