KDP categories · Top KDP authors
Rheumatology (Clinical, Books): Amazon KDP category data
Amazon Books Best Sellers data for Rheumatology (Clinical, Books), updated Nov 2, 2026: median price $90.20, median 19 reviews, average rating 4.5 and a KDPTop opportunity score of 31/100 (highly competitive).
| Price range (middle 50%) | $50.62 – $182 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 6% of the parent category Clinical (312), one of the easier corners under it.
- At $90.20 its median price beats 99% of Books categories, leaving more margin per copy.
- Only 5% of its best sellers are under 90 days old, fewer than in 75% of Books categories: established titles hold the list.
Top 10 Rheumatology best sellers
-
Rheumatology Made Ridiculously Simple
by Adam J. Brown M.D.
- List rank#1
- Price$34.95
- Rating4.7
- Reviews170
-
The Sjögren's Book
by Daniel J. Wallace
- List rank#2
- Price$45.70
- Rating4.7
- Reviews149
-
Rheumatology Secrets
by Jason Kolfenbach MD FACR
- List rank#3
- Price$40.35
- Rating4.6
- Reviews24
-
Never Bet Against Occam: Mast Cell Activation Disease and the Modern Epidemics of Chronic Illness and Medical Complexity
by Lawrence B. Afrin M.D.
- List rank#4
- Price$14.99
- Rating4.7
- Reviews707
-
Yoga for Osteoporosis: The Complete Guide
by Loren Fishman MD
- List rank#5
- Price$25.20
- Rating4.4
- Reviews43
-
Practical Office Orthopedics
by Edward (Ted) H. Parks
- List rank#6
- Price$83.52
- Rating4.8
- Reviews280
-
Travell, Simons & Simons' Myofascial Pain and Dysfunction: The Trigger Point Manual
by Joseph M. Donnelly PT DHS OCS
- List rank#7
- Price$183
- Rating4.7
- Reviews318
-
The Scleroderma Book: A Guide for Patients and Families
by Maureen D. Mayes M.D.
- List rank#8
- Price$20.89
- Rating4.6
- Reviews147
-
CURRENT DIAGNOSIS & TREATMENT IN RHEUMATOLOGY, 4/E
by Stone
- List rank#9
- Price$74.88
- Rating4.8
- Reviews27
-
Muscles: Testing and Testing and Function with Posture and Pain
by Florence Peterson Kendall
- List rank#10
- Price$45.29
- Rating4.8
- Reviews554
FAQ
Is Rheumatology a good niche for Amazon KDP?
Its KDPTop opportunity score is 31/100, which makes it highly competitive. The median best seller has 19 reviews and sells for $90.20.
How many reviews do you need to rank in Rheumatology?
The median best seller has 19 reviews, and 82% of them have fewer than 100.
What do Rheumatology best sellers cost?
The median price is $90.20; half of the best sellers are priced between $50.62 and $182.
Can new books break into Rheumatology?
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.