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Organ Transplants (Diseases & Physical Ailments, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Organ Transplants (Diseases & Physical Ailments, Kindle eBooks), updated Nov 2, 2026: median price $6.99, median 14 reviews, average rating 4.6 and a KDPTop opportunity score of 19/100 (highly competitive).
| Price range (middle 50%) | $4.55 – $9.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 10% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 2% of the parent category Diseases & Physical Ailments (714), one of the easier corners under it.
- Its review barrier is lower than in 78% of Kindle eBooks categories: the median best seller has only 14 reviews, so new books can chart with few.
Top 10 Organ Transplants best sellers
-
Replaceable You: Adventures in Human Anatomy
by Mary Roach
- List rank#1
- Price$9.02
- Rating4.6
- Reviews1,491
-
Hearts: Of Surgeons and Transplants, Miracles and Disasters Along the Cardiac Frontier
by Thomas Thompson
- List rank#2
- Price$12.99
- Rating4.4
- Reviews272
-
When Death Becomes Life: Notes from a Transplant Surgeon
by Joshua D. Mezrich
- List rank#3
- Price$3.99
- Rating4.6
- Reviews696
-
In Pillness and in Health: A Memoir
by Henriette Ivanans
- List rank#4
- Price$5.99
- Rating4.4
- Reviews988
-
Outcome, a Novel
by Barbara Ebel
- List rank#5
- Price$3.99
- Rating4.4
- Reviews226
-
The Chronic Kidney Disease Solution to Reclaiming Your Health : A Comprehensive Guide to Protecting and Enhancing Kidney Function Naturally and Medically
by Emily J. Reynolds
- List rank#6
- Price$5.99
- Rating4.5
- Reviews24
-
THE 8TH DAY: My Journey Through Kidney Failure
by Marc Pouhé
- List rank#7
- Price$4.99
- Rating4.8
- Reviews6
-
The Organ Thieves: The Shocking Story of the First Heart Transplant in the Segregated South
by Chip Jones
- List rank#8
- Price$14.99
- Rating4.5
- Reviews254
-
The Kidney Health Handbook: A Practical Guide to Lab Results, Treatment Options, and Protecting Your Renal Health
by William Cullen
- List rank#9
- Price$7.99
- Rating5.0
- Reviews2
-
Dialysis or Die: Life, Limits, and the Will to Survive
by Omar Saif
- List rank#10
- Price$4.99
- Rating5.0
- Reviews4
Same niche in Books: Organ Transplants
FAQ
Is Organ Transplants a good niche for Amazon KDP?
Its KDPTop opportunity score is 19/100, which makes it highly competitive. The median best seller has 14 reviews and sells for $6.99.
How many reviews do you need to rank in Organ Transplants?
The median best seller has 14 reviews, and 79% of them have fewer than 100.
What do Organ Transplants best sellers cost?
The median price is $6.99; half of the best sellers are priced between $4.55 and $9.99.
Can new books break into Organ Transplants?
10% 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.