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Diagnostic Imaging (Radiology & Nuclear Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Diagnostic Imaging (Radiology & Nuclear Medicine, Books), updated Nov 2, 2026: median price $82.59, median 14 reviews, average rating 4.5 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $51.87 – $140 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 12% |
| Books on the list | 100 |
| Store | Books |
What stands out
- At $82.59 its median price beats 99% of Books categories, leaving more margin per copy.
- Its median reviews are 33% of the parent category Radiology & Nuclear Medicine (41), one of the easier corners under it.
- Its review barrier is lower than in 79% of Books categories: the median best seller has only 14 reviews, so new books can chart with few.
Top 10 Diagnostic Imaging best sellers
-
Examination Review for Ultrasound: Abdomen and Obstetrics & Gynecology
by STEVEN M. PENNY MA RT(R)) RDMS
- List rank#1
- Price$94.48
- Rating4.6
- Reviews236
-
Mosby's Comprehensive Review of Radiography: The Complete Study Guide and Career Planner
by William J. Callaway MA RT(R)
- List rank#2
- Price$85.99
- Rating4.8
- Reviews321
-
Lab Values: Everything You Need to Know about Laboratory Medicine and its Importance in the Diagnosis of Diseases: Second Edition
- List rank#3
- Price$18.99
- Rating4.4
- Reviews1,361
-
Textbook of Clinical Echocardiography
by Catherine M. Otto MD
- List rank#4
- Price$138
- Rating4.6
- Reviews52
-
Introduction to Sonography and Patient Care
by Steven M. Penny M.A. RT (R) RDMS
- List rank#5
- Price$79.98
- Rating4.6
- Reviews189
-
Clinical Radiology Made Ridiculously Simple, Edition 2
by Hugue Ouellette M.D.
- List rank#6
- Price$29.39
- Rating4.6
- Reviews211
-
Felson's Principles of Chest Roentgenology, A Programmed Text: A Programmed Text
by Lawrence R. Goodman MD FAAC
- List rank#7
- Price$83.82
- Rating4.7
- Reviews165
-
The Cath Lab Tech Protocols Bible: Cath Lab Technologist Orientation Manual and RCIS Study Guide: Step-by-Step Procedures, Table Setup, Hemodynamics, Radiographic Views and 200 Practice Questions
by Vania Snee
- List rank#8
- Price$36.99
- Rating4.6
- Reviews31
-
An Introduction to the Event-Related Potential Technique, second edition (Mit Press)
by Steven J. Luck
- List rank#9
- Price$64.35
- Rating4.9
- Reviews90
-
Radiology for Beginners: Breaking Down the Basics of Medical Terminology and Vocabulary for High School / College Students and Patients (Medical Terms Made Clear)
- List rank#10
- Price$15.99
- Rating4.3
- Reviews9
FAQ
Is Diagnostic Imaging a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 14 reviews and sells for $82.59.
How many reviews do you need to rank in Diagnostic Imaging?
The median best seller has 14 reviews, and 86% of them have fewer than 100.
What do Diagnostic Imaging best sellers cost?
The median price is $82.59; half of the best sellers are priced between $51.87 and $140.
Can new books break into Diagnostic Imaging?
12% 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.