KDP categories · Top KDP authors
Bone Cancer: Amazon KDP category data
Amazon Books Best Sellers data for Bone Cancer, updated Nov 2, 2026: median price $13.31, median 8 reviews, average rating 4.4 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $17.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Cancer (450), one of the easier corners under it.
- Its review barrier is lower than in 85% of Books categories: the median best seller has only 8 reviews, so new books can chart with few.
Top 10 Bone Cancer best sellers
-
Cancer Is a Parasite: Kill it with the Safe, Over-the-Counter Antiparasitic Fenbendazole
by William F. Supple Jr.
- List rank#1
- Price$22.74
- Rating4.8
- Reviews192
-
How to Live While Dying: A Memoir of Alex Etheridge
by Brian Etheridge
- List rank#2
- Price$11.95
- Rating5.0
- Reviews10
-
Everyday Strength: A Cancer Patient's Guide to Spiritual Survival – Prayers and Meditations for Hope, Peace, and Inspiration
by Randy Becton
- List rank#3
- Price$8.99
- Rating4.7
- Reviews350
-
The Ultimate Anti-Inflammatory Diet for Women Over 70: A Simple, Science-Backed 90-Day Plan to Reduce Inflammation, Improve Mobility, and Regain Independence Without Giving Up Your Favorite Foods
by Liora Carroway
- List rank#4
- Price$0.99
- Rating4.3
- Reviews105
-
The Immunotherapy Revolution: The Best New Hope For Saving Cancer Patients' Lives
by Jason R. Williams MD
- List rank#5
- Price$9.50
- Rating4.6
- Reviews264
-
The Oxygen Cure: A Complete Guide to Hyperbaric Oxygen Therapy
by William S. Maxfield
- List rank#6
- Price$11
- Rating4.6
- Reviews214
-
Cancer Activity Book: Chemo Care Package with Puzzles & Humor – Best Uplifting Cancer Survivor Gift & Chemotherapy Must Have for Men & Women in Treatment (Recovery Series)
- List rank#7
- Price$9.99
- Rating5.0
- Reviews13
-
Fenbendazole & Ivermectin All Cures For Cancer Protocols: The Joe Tippens Protocol — A Definitive Plan Integrating Fenbendazole, Ivermectin & ... and Survivor Stories (febendezole book)
by Clark Coleman
- List rank#8
- Price$19.99
- Rating3.9
- Reviews15
-
Chemotherapy Journal
by Elizabeth A. Morlan
- List rank#9
- Price$9.99
- Rating4.5
- Reviews20
-
F*ck Cancer! Variety Puzzle Book: Word Searches, Cryptograms, Crosswords, Sudoku, Word Scramble and More for Seniors and Adults (Challenge Your Mind)
by Silver Solvers
- List rank#10
- Price$9.99
- Rating4.7
- Reviews24
FAQ
Is Bone Cancer a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 8 reviews and sells for $13.31.
How many reviews do you need to rank in Bone Cancer?
The median best seller has 8 reviews, and 87% of them have fewer than 100.
What do Bone Cancer best sellers cost?
The median price is $13.31; half of the best sellers are priced between $9.99 and $17.99.
Can new books break into Bone Cancer?
6% 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.