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Reference (Medicine & Health Sciences, Books): Amazon KDP category data
Amazon Books Best Sellers data for Reference (Medicine & Health Sciences, Books), updated Nov 2, 2026: median price $39.79, median 92 reviews, average rating 4.6 and a KDPTop opportunity score of 34/100 (highly competitive).
| Price range (middle 50%) | $24.97 – $65.52 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 26% of the parent category Medicine & Health Sciences (354), one of the easier corners under it.
- At $39.79 its median price beats 93% of Books categories, leaving more margin per copy.
- Prices spread wide: the middle half runs from $24.97 to $65.52, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
2026 Lippincott Pocket Drug Guide for Nurses
by REBECCA TUCKER
- List rank#1
- Price$25.99
- Rating4.5
- Reviews147
-
Medical Terminology: The Best and Most Effective Way to Memorize, Pronounce and Understand Medical Terms: Workbook
- List rank#2
- Price$17.99
- Rating4.6
- Reviews1,765
-
Merriam-Webster's Medical Dictionary, Newest Edition, Mass-Market Paperback
- List rank#3
- Price$7.91
- Rating4.7
- Reviews7,686
-
Anatomy Flashcards: 300 Flashcards with Anatomically Precise Drawings and Exhaustive Descriptions
by Joanne Tillotson
- List rank#4
- Price$36.22
- Rating4.7
- Reviews287
-
The Practitioner's Pocket Pal: A "Made Ridiculously Simple" Rapid Medical Reference
by Jim Hancock
- List rank#5
- Price$34.95
- Rating4.6
- Reviews959
-
Clinical Psychopharmacology Made Ridiculously Simple
by John Preston Psy.D. ABPP
- List rank#6
- Price$18.95
- Rating4.6
- Reviews1,169
-
PTCB Exam Prep: The All-in-One Study Guide to Master the Pharmacy Technician Certification Exam | High-Yield Review, Top 200 Drugs Flashcards & 15 Full-Length Practice Tests with Answer Explanations
by Clinical Prep Academy
- List rank#7
- Price$29.99
- Rating4.8
- Reviews346
-
Learn Medical Spanish For Healthcare Professionals: 7 Books in 1: Speak Medical Spanish in 30 Days!
- List rank#8
- Price$27.70
- Rating4.5
- Reviews282
-
Top 200 Drugs Clinical Coloring Atlas: Master Pharmacology Faster with MOA, Onset, Peak, Duration, Side Effects & Dosages. NCLEX, PTCB, NAPLEX & USMLE
by PeakCert US
- List rank#9
- Price$19.99
- Rating4.7
- Reviews180
-
Nursing 2027-2028 Drug Handbook
by Lippincott Williams & Wilkins
- List rank#10
- Price$56.99
- Rating4.1
- Reviews11
Subcategories
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 34/100, which makes it highly competitive. The median best seller has 92 reviews and sells for $39.79.
How many reviews do you need to rank in Reference?
The median best seller has 92 reviews, and 53% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $39.79; half of the best sellers are priced between $24.97 and $65.52.
Can new books break into Reference?
8% 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.