KDP categories · Top KDP authors
Organ Transplants (Diseases & Physical Ailments, Books): Amazon KDP category data
Amazon Books Best Sellers data for Organ Transplants (Diseases & Physical Ailments, Books), updated Nov 3, 2026: median price $15.99, median 4 reviews, average rating 4.6 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $12.99 – $29.68 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 18% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 0% of the parent category Diseases & Physical Ailments (2,378), one of the easier corners under it.
- Its review barrier is lower than in 92% of Books categories: the median best seller has only 4 reviews, so new books can chart with few.
- 18% of its best sellers came out in the last 90 days, more than in 87% of Books categories: readers here keep buying new titles.
Top 10 Organ Transplants best sellers
-
Replaceable You: Adventures in Human Anatomy
by Mary Roach
- List rank#1
- Price$17.29
- Rating4.6
- Reviews1,491
-
Kidney Surgery Activity Book: A Funny Recovery Gift with Puzzles, Coloring, and Word Games | Great for Kidney Donors, Transplant Recipients, Dialysis, or Stone Relief (Recovery Series)
- List rank#2
- Price$9.99
- Rating4.8
- Reviews5
-
Top Knife: The Art and Craft of Trauma Surgery
by Dr Asher Hirshberg MD FACS
- List rank#3
- Price$36.99
- Rating4.8
- Reviews365
-
Heal Fatty Liver Naturally: How to Reverse Non-Alcoholic Fatty Liver Disease with Diet and Lifestyle
by LivingWell Collective
- List rank#4
- Price$3.99
- Rating4.4
- Reviews7
-
When Death Becomes Life: Notes from a Transplant Surgeon – A Medical Memoir of Hope, Loss, and Organ Donation
by Joshua D. Mezrich
- List rank#5
- Price$10.48
- Rating4.6
- Reviews696
-
The Kidney Health Handbook: A Practical Guide to Lab Results, Treatment Options, and Protecting Your Renal Health
by William K. Cullen
- List rank#6
- Price$17.99
- Rating5.0
- Reviews2
-
I Just Had a Kidney Surgery and All I Got Was This Activity Book: Uplifting Kidney Surgery Recovery with Engaging Puzzles and Coloring Pages
by KidReco Publishing
- List rank#7
- Price$9.99
- Rating4.8
- Reviews13
-
Last Night in the OR: A Transplant Surgeon's Odyssey
by Bud Shaw
- List rank#8
- Price$15.79
- Rating4.2
- Reviews385
-
Hearts: Of Surgeons and Transplants, Miracles and Disasters Along the Cardiac Frontier
by Thomas Thompson
- List rank#9
- Price$12.99
- Rating4.4
- Reviews272
-
The Practical Food List for Kidney Disease Bible: 3 in 1| A CKD Science-Backed Guide to Enjoy Easy-To-Make, Tasty Meals, Eat Full Portions & Stick To a Flexible 28-Day Diet Plan Without Starving
by Mark D. Stanford
- List rank#10
- Price$19.99
- Rating4.4
- Reviews248
Same niche in Kindle eBooks: Organ Transplants
FAQ
Is Organ Transplants a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 4 reviews and sells for $15.99.
How many reviews do you need to rank in Organ Transplants?
The median best seller has 4 reviews, and 91% of them have fewer than 100.
What do Organ Transplants best sellers cost?
The median price is $15.99; half of the best sellers are priced between $12.99 and $29.68.
Can new books break into Organ Transplants?
18% 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.