KDP categories · Top KDP authors
Oncology (Internal Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Oncology (Internal Medicine, Books), updated Nov 2, 2026: median price $16.80, median 117 reviews, average rating 4.6 and a KDPTop opportunity score of 33/100 (highly competitive).
| Price range (middle 50%) | $13.35 – $25.33 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 6% of the parent category Internal Medicine (2,081), one of the easier corners under it.
Top 10 Oncology best sellers
-
The Emperor of All Maladies: A Biography of Cancer
- List rank#1
- Price$13.85
- Rating4.7
- Reviews9,938
-
Beyond the Pink: Navigating Life, Health, and Breast Cancer
by Dr. Eleonora Teplinsky M.D.
- List rank#2
- Price$30.29
- Rating4.9
- Reviews16
-
The Metabolic Approach to Cancer: Integrating Deep Nutrition, the Ketogenic Diet, and Nontoxic Bio-Individualized Therapies
by Nasha Winters
- List rank#3
- Price$16.50
- Rating4.7
- Reviews1,306
-
My Greatest Race
by Ciara Mageean
- List rank#4
- Price$29.99
- Rating4.8
- Reviews168
-
Dr. Patrick Walsh's Guide to Surviving Prostate Cancer
by Patrick C. Walsh MD MD
- List rank#5
- Price$13.35
- Rating4.8
- Reviews407
-
World Without Cancer; The Story of Vitamin B17
by G. Edward Griffin
- List rank#6
- Price$17.94
- Rating4.7
- Reviews1,229
-
The Cancer Code: A Revolutionary New Understanding of a Medical Mystery
- List rank#7
- Price$22.79
- Rating4.8
- Reviews2,401
-
Anticancer: A New Way of Life
by David Servan-Schreiber MD PhD
- List rank#8
- Price$10.67
- Rating4.7
- Reviews2,683
-
Fasting Cancer: How Fasting and Nutritechnology Are Creating a Revolution in Cancer Prevention and Treatment
by Valter Longo PhD
- List rank#9
- Price$16.99
- Rating4.4
- Reviews149
-
Cancer as a Metabolic Disease: On the Origin, Management, and Prevention of Cancer
by Thomas Seyfried
- List rank#10
- Price$22.18
- Rating4.6
- Reviews376
FAQ
Is Oncology a good niche for Amazon KDP?
Its KDPTop opportunity score is 33/100, which makes it highly competitive. The median best seller has 117 reviews and sells for $16.80.
How many reviews do you need to rank in Oncology?
The median best seller has 117 reviews, and 47% of them have fewer than 100.
What do Oncology best sellers cost?
The median price is $16.80; half of the best sellers are priced between $13.35 and $25.33.
Can new books break into Oncology?
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.