KDP categories · Top KDP authors
Diagnosis (Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Diagnosis (Medicine, Books), updated Nov 3, 2026: median price $37.15, median 100 reviews, average rating 4.6 and a KDPTop opportunity score of 35/100 (highly competitive).
| Price range (middle 50%) | $19.73 – $62.41 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 3% of the parent category Medicine (2,999), one of the easier corners under it.
- At $37.15 its median price beats 93% 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 Diagnosis best sellers
-
Rapid Interpretation of EKG's, Sixth Edition
by Dale Dubin
- List rank#1
- Price$59.89
- Rating4.8
- Reviews4,969
-
Pocket Medicine
by MARC SABATINE
- List rank#2
- Price$62.37
- Rating4.6
- Reviews99
-
Common Sense Labs: A Practical Guide to Decoding Your Blood Work and Taking Control of Your Health (Updated and Expanded Edition)
by Ken Berry MD
- List rank#3
- Price$25.12
- Rating4.7
- Reviews813
-
The Tennis Partner: A Doctor's Story of Friendship and Loss
- List rank#4
- Price$13.49
- Rating4.4
- Reviews3,842
-
All in Her Head: The Truth and Lies Early Medicine Taught Us About Women’s Bodies and Why It Matters Today – A Memorial Sloan Kettering MD's History of Healthcare and Agency
by Elizabeth Comen
- List rank#5
- Price$17.99
- Rating4.4
- Reviews1,205
-
The Practitioner's Pocket Pal: A "Made Ridiculously Simple" Rapid Medical Reference
by Jim Hancock
- List rank#6
- Price$34.95
- Rating4.6
- Reviews959
-
Clinical Pathophysiology Made Ridiculously Simple: Color Edition
by Aaron Berkowitz M.D. Ph.D.
- List rank#7
- Price$37.95
- Rating4.6
- Reviews2,506
-
Lies My Doctor Told Me: Medical Myths That Can Harm Your Health
by Dr. Ken Berry
- List rank#8
- Price$14.76
- Rating4.8
- Reviews7,619
-
Real Food for Gestational Diabetes: An Effective Alternative to the Conventional Nutrition Approach
by Lily Nichols
- List rank#9
- Price$23.69
- Rating4.6
- Reviews1,958
-
![DSM 5 TR [Kindle Edition] Mental Disorders: Diagnostic handbook and Statistical Manual fro book cover by Peter Helleno](https://images-na.ssl-images-amazon.com/images/I/61mvKshdy8L._UX300__PJkp-sticker-v1,TopRight,0,-50_AC_UL300_SR300,200_.jpg)
DSM 5 TR [Kindle Edition] Mental Disorders: Diagnostic handbook and Statistical Manual from dsm-5-tr 5th edition: Includes the fully revised text and references updated diagnostic criteria and ICD-10
by Peter Helleno
- List rank#10
- Price$28.99
- Rating1.9
- Reviews15
FAQ
Is Diagnosis a good niche for Amazon KDP?
Its KDPTop opportunity score is 35/100, which makes it highly competitive. The median best seller has 100 reviews and sells for $37.15.
How many reviews do you need to rank in Diagnosis?
The median best seller has 100 reviews, and 49% of them have fewer than 100.
What do Diagnosis best sellers cost?
The median price is $37.15; half of the best sellers are priced between $19.73 and $62.41.
Can new books break into Diagnosis?
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.