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Cancer (Diseases & Physical Ailments, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Cancer (Diseases & Physical Ailments, Kindle eBooks), updated Nov 3, 2026: median price $9.99, median 90 reviews, average rating 4.6 and a KDPTop opportunity score of 30/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $12.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 16% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 13% of the parent category Diseases & Physical Ailments (714), one of the easier corners under it.
- 16% of its best sellers came out in the last 90 days, more than in 78% of Kindle eBooks categories: readers here keep buying new titles.
- Prices spread wide: the middle half runs from $3.99 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Cancer best sellers
-
Mortality
- List rank#1
- Price$1.99
- Rating4.5
- Reviews4,307
-
Eat to Beat Disease: The New Science of How Your Body Can Heal Itself
- List rank#2
- Price$15.99
- Rating4.6
- Reviews9,394
-
The Immortal Life of Henrietta Lacks
- List rank#3
- Price$8.99
- Rating4.6
- Reviews31,544
-
The Science-Backed Anti-Inflammatory Diet for Beginners: A Hassle-Free Guide and Simple Meal Plan To Enhance Immunity, Optimize Gut Health, and Reduce Chronic Pain at Any Age
by Yasmine Elamir
- List rank#4
- Price$9.99
- Rating4.2
- Reviews1,480
-
The Emperor of All Maladies: A Biography of Cancer
- List rank#5
- Price$16.99
- Rating4.7
- Reviews9,938
-
The Complete Fenbendazole & Ivermectin Protocols: A Step-by-Step Repurposed Drug Dosing Reference, Supplement Stacking, and 60-Day Integrative Cancer Support System for Patients and Caregivers
by LENNOX HARTWELL
- List rank#6
- Price$9.99
- Rating4.2
- Reviews23
-
How to Starve Cancer ...without starving yourself: The Discovery of a Metabolic Cocktail That Could Transform the Lives of Millions
by Jane Mclelland
- List rank#7
- Price$9.99
- Rating4.6
- Reviews4,831
-
Beyond the Pink: Navigating Life, Health, and Breast Cancer
by Dr. Eleonora Teplinsky M.D.
- List rank#8
- Price$15.99
- Rating4.9
- Reviews16
-
How to Live While Dying: A Memoir of Alex Etheridge
by Brian Etheridge
- List rank#9
- Price$11.95
- Rating5.0
- Reviews10
-
Radical Remission: Surviving Cancer Against All Odds - Uncovering the Nine Key Factors of Spontaneous Remission Through Holistic Healing Practices and Survivor Stories
by Kelly A. Turner PhD
- List rank#10
- Price$14.99
- Rating4.7
- Reviews4,314
Subcategories
Same niche in Books: Cancer
FAQ
Is Cancer a good niche for Amazon KDP?
Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 90 reviews and sells for $9.99.
How many reviews do you need to rank in Cancer?
The median best seller has 90 reviews, and 52% of them have fewer than 100.
What do Cancer best sellers cost?
The median price is $9.99; half of the best sellers are priced between $3.99 and $12.99.
Can new books break into Cancer?
16% 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.