KDP categories · Top KDP authors
Diseases (Medical eBooks, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Diseases (Medical eBooks, Kindle eBooks), updated Nov 3, 2026: median price $9.99, median 368 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $4.49 – $12.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 26% of the parent category Medical eBooks (1,412), one of the easier corners under it.
- Its review barrier is higher than in 77% of Kindle eBooks categories: the median best seller has 368 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $4.49 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Diseases best sellers
-
Tai Chi & Chair Yoga for Seniors Over 60: Prevent Falling and Start Living: 10-Minute Seated Flows to Rebuild Balance, Ease Joint Pain, and Regain Independence
by Susan M. Fletcher
- List rank#1
- Price$0.99
- Rating4.5
- Reviews27
-
Sugar Beat: How Sugar — NOT CHOLESTEROL — Destroys Your Arteries and the New Science of REVERSING PLAQUE
by Dr. Anthony Jay
- List rank#2
- Price$12.99
- Rating4.8
- Reviews56
-
Brain on Fire: My Month of Madness
by Susannah Cahalan
- List rank#3
- Price$11.99
- Rating4.4
- Reviews16,907
-
Fix Your Insulin: 7 Simple Hacks to Lose Weight Without Hunger or Calorie Counting
by Karl Jacob
- List rank#4
- Price$4.99
- Rating4.8
- Reviews58
-
All in Her Head: The Truth and Lies Early Medicine Taught Us About Women’s Bodies and Why It Matters Today – A Memorial Sloan Kettering MD's History of Healthcare and Agency
by Elizabeth Comen
- List rank#5
- Price$17.99
- Rating4.4
- Reviews1,205
-
Your GLP-1 Game Plan: What Your Doctor Didn't Tell You About How to Eat, Move, and Thrive on Weight Loss Medications—With 50 Easy, Nutritious Recipes
by Heidi Skolnik MS CDN FACSM
- List rank#6
- Price$14.99
- Rating4.6
- Reviews63
-
Reversing Alzheimer's: The New Toolkit to Improve Cognition and Protect Brain Health
by Heather Sandison
- List rank#7
- Price$14.99
- Rating4.6
- Reviews501
-
The Pain Management Workbook: Powerful CBT and Mindfulness Skills to Take Control of Pain and Reclaim Your Life
by Rachel Zoffness PhD
- List rank#8
- Price$0.99
- Rating4.5
- Reviews891
-
Metabolical: The Lure and the Lies of Processed Food, Nutrition, and Modern Medicine
by Robert H. Lustig
- List rank#9
- Price$16.49
- Rating4.6
- Reviews5,746
-
Cancer Is a Parasite: Kill it with the Safe, Over-the-Counter Antiparasitic Fenbendazole
by William F. Supple
- List rank#10
- Price$16.99
- Rating4.8
- Reviews192
Subcategories
FAQ
Is Diseases a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 368 reviews and sells for $9.99.
How many reviews do you need to rank in Diseases?
The median best seller has 368 reviews, and 32% of them have fewer than 100.
What do Diseases best sellers cost?
The median price is $9.99; half of the best sellers are priced between $4.49 and $12.99.
Can new books break into Diseases?
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.