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Medical (Encyclopedias & Subject Guides, Books): Amazon KDP category data
Amazon Books Best Sellers data for Medical (Encyclopedias & Subject Guides, Books), updated Nov 3, 2026: median price $17.74, median 287 reviews, average rating 4.5 and a KDPTop opportunity score of 30/100 (highly competitive).
| Price range (middle 50%) | $11.91 – $32.53 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 15% of the parent category Encyclopedias & Subject Guides (1,970), one of the easier corners under it.
- Prices spread wide: the middle half runs from $11.91 to $32.53, so budget editions and premium or boxed sets sell side by side.
Top 10 Medical best sellers
-
Where There Is No Doctor: A Village Health Care Handbook
by David Werner
- List rank#1
- Price$29.19
- Rating4.7
- Reviews2,028
-
-
Knowledge Encyclopedia Human Body (Knowledge Encyclopedia For Children)
- List rank#3
- Price$17.36
- Rating4.7
- Reviews1,172
-
The Plant Paradox: The Hidden Dangers in "Healthy" Foods That Cause Disease and Weight Gain – An NYT Bestselling Medical Nutrition Guide to Longevity and Wellness
- List rank#4
- Price$11.10
- Rating4.4
- Reviews17,214
-
Medical Terminology: The Basics: a QuickStudy Laminated Reference Guide (Quick Study Academic)
- List rank#5
- Price$8.34
- Rating4.7
- Reviews10,269
-
The Complete Human Body: The Definitive Visual Guide (DK Human Body Guides)
- List rank#6
- Price$38.98
- Rating4.8
- Reviews2,153
-
The Pill Book (15th Edition): New and Revised 15th Edition (Pill Book (Mass Market Paper))
by Harold M. Silverman
- List rank#7
- Price$10.70
- Rating4.6
- Reviews4,017
-
Merriam-Webster's Medical Dictionary, Newest Edition, Mass-Market Paperback
- List rank#8
- Price$7.91
- Rating4.7
- Reviews7,686
-
Pharmacy Technician – PTCE: QuickStudy Laminated Reference Guide (Quickstudy Medical)
by Sarah Liu MA CPhT
- List rank#9
- Price$6.48
- Rating4.7
- Reviews3,933
-
Anatomy Flashcards: 300 Flashcards with Anatomically Precise Drawings and Exhaustive Descriptions
by Joanne Tillotson
- List rank#10
- Price$36.22
- Rating4.7
- Reviews287
FAQ
Is Medical a good niche for Amazon KDP?
Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 287 reviews and sells for $17.74.
How many reviews do you need to rank in Medical?
The median best seller has 287 reviews, and 31% of them have fewer than 100.
What do Medical best sellers cost?
The median price is $17.74; half of the best sellers are priced between $11.91 and $32.53.
Can new books break into Medical?
9% 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.