KDP categories · Top KDP authors
Prosthesis (Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Prosthesis (Medicine, Books), updated Nov 3, 2026: median price $47.12, median 4 reviews, average rating 4.5 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $16.55 – $116 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 0% of the parent category Medicine (2,999), 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.
- At $47.12 its median price beats 95% of Books categories, leaving more margin per copy.
Top 10 Prosthesis best sellers
-
Surgery Recovery Activity Book for Women: A Funny Get-Well Gift and Guilt-Free Recovery Companion with Large-Print Puzzles, Calming Activities, Coloring Pages, and Solutions Included
by Laura Bennett
- List rank#1
- Price$13.99
- Rating4.8
- Reviews20
-
La Dieta Antiinflamatoria [The Anti-Inflamatory Diet]: Haz estos cambios simples y económicos en tu dieta y comienza a sentirte mejor dentro de 24 horas!
by Jason Michaels
- List rank#2
- Price$7.83
- Rating4.3
- Reviews2,653
-
Knee Surgery Activity Book: A Funny Large Print Activity Book for Knee Surgery Recovery – The Perfect After-Surgery Must-Have for Relaxation, Humor, and Healing (Recovery Series)
- List rank#3
- Price$9.99
- Rating4.2
- Reviews18
-
Walk, Run, Fly Again: A Combat Pilot’s Return to the Cockpit
by Lisette Alvarez
- List rank#4
- Price$12.99
- Rating4.8
- Reviews57
-
The Complete Clinical Cardiology Exam Guide: Coronary, Heart Failure, Arrhythmia, and Vascular Disease Reasoning With 400+ Practice Questions and Full Rationales
by Cornerstone Clinical Publications
- List rank#5
- Price$179
- Rating4.6
- Reviews26
-
Two Total Shoulder Replacements: - an (Im)patient’s View
by Michelle Conway
- List rank#6
- Price$2.99
- Rating4.0
- Reviews28
-
Knee Replacement Activity Book: It's Not You, Knee, It's Me! - A Funny Knee Surgery Recovery Gift for Adults: Large Print Word Search, Puzzles, and Games After Total Knee Replacement
by Logic Grid
- List rank#7
- Price$12.99
- Reviews-
-
Biomedical Equipment Technician - The Comprehensive Guide: Mastering the Essentials of Medical Device Technology and Maintenance (Vanguard Professions: Pioneers of the Modern World)
by VIRUTI SHIVAN
- List rank#8
- Price$9.99
- Rating3.9
- Reviews6
-
Clinical Cardiology Desk Reference and Workbook: Clinical Schemas, 70 Worked Cases, and 530+ Exam-Style Questions With Full Rationales for Bedside Cardiovascular Practice
by Sentinel Clinical Publications
- List rank#9
- Price$61.27
- Rating4.6
- Reviews20
-
Alive & Whole Amputation:Emotional Recovery
by Dee Malchow
- List rank#10
- Price$2.99
- Rating4.4
- Reviews62
FAQ
Is Prosthesis a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 4 reviews and sells for $47.12.
How many reviews do you need to rank in Prosthesis?
The median best seller has 4 reviews, and 97% of them have fewer than 100.
What do Prosthesis best sellers cost?
The median price is $47.12; half of the best sellers are priced between $16.55 and $116.
Can new books break into Prosthesis?
5% 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.