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Prosthesis (Special Topics, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Prosthesis (Special Topics, Kindle eBooks), updated Nov 2, 2026: median price $7.08, median 6 reviews, average rating 4.5 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $9.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 2% |
| Books on the list | 57 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 1% of the parent category Special Topics (1,092), one of the easier corners under it.
- Only 2% of its best sellers are under 90 days old, fewer than in 93% of Kindle eBooks categories: established titles hold the list.
- Its review barrier is lower than in 87% of Kindle eBooks categories: the median best seller has only 6 reviews, so new books can chart with few.
Top 10 Prosthesis best sellers
-
Walk, Run, Fly Again: A Combat Pilot’s Return to the Cockpit
by Lisette Alvarez
- List rank#1
- Price$12.99
- Rating4.8
- Reviews57
-
Erectile Dysfunction Fix: How to Regain Sexual Function, Libido and Treat Erectile Dysfunction without Drugs or Surgery with Platelet Rich Plasma, the PRIAPUS SHOT® (P-SHOT®)
by Anne Truong
- List rank#2
- Price$7
- Rating3.7
- Reviews31
-
Two Total Shoulder Replacements: - an (Im)patient’s View
by Michelle Conway
- List rank#3
- Price$2.99
- Rating4.0
- Reviews28
-
Training Your Own Service Dog: The Complete Guide Series: How to train service dogs
by Megan Brooks
- List rank#4
- Price$9.99
- Rating4.4
- Reviews165
-
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#5
- Price$9.99
- Rating3.9
- Reviews6
-
Finding Solid Footing: Thriving Beyond the Unimaginable
by Katy Grainger
- List rank#6
- Price$9.99
- Rating4.6
- Reviews26
-
Alive & Whole Amputation:Emotional Recovery
by Dee Malchow
- List rank#7
- Price$2.99
- Rating4.4
- Reviews62
-
Laura - Life After Amputation
by Ralph Brandt
- List rank#8
- Price$0.99
- Rating4.0
- Reviews7
-
Foot Deformities and Malformations in Children: A Principles-Based, Practical Guide to Assessment and Management: eBook without Multimedia
by Vincent Mosca
- List rank#9
- Price$209
- Rating4.7
- Reviews4
-
Prosthetics & Orthotics in Clinical Practice A Case Study Approach
by Bella J May
- List rank#10
- Price$79.96
- Rating4.1
- Reviews33
FAQ
Is Prosthesis a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 6 reviews and sells for $7.08.
How many reviews do you need to rank in Prosthesis?
The median best seller has 6 reviews, and 93% of them have fewer than 100.
What do Prosthesis best sellers cost?
The median price is $7.08; half of the best sellers are priced between $2.99 and $9.99.
Can new books break into Prosthesis?
2% 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.