KDP categories · Top KDP authors
Radiology (Specialties, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Radiology (Specialties, Kindle eBooks), updated Nov 2, 2026: median price $60.80, median 12 reviews, average rating 4.6 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $88.17 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 1% of the parent category Specialties (1,042), one of the easier corners under it.
- At $60.80 its median price beats 99% of Kindle eBooks categories, leaving more margin per copy.
- Its review barrier is lower than in 79% of Kindle eBooks categories: the median best seller has only 12 reviews, so new books can chart with few.
Top 10 Radiology best sellers
-
Mosby's Comprehensive Review of Radiography - E-Book
by William J. Callaway MA, RT(R)
- List rank#1
- Price$64.79
- Rating4.8
- Reviews321
-
SPI Hero: ARDMS SPI Exam Study Guide 2026-2027: The Essential Information You Need to Pass the First Time (and Nothing Else!)
by Medical Hero
- List rank#2
- Price$0.99
- Rating5.0
- Reviews4
-
COMPREHENSIVE EMERGENCY RADIOLOGY: Trauma, Acute Imaging, Critical Diagnosis, and Interventional Management
by Alden Vey
- List rank#3
- Price$142
- Rating5.0
- Reviews1
-
Vascular and Interventional Imaging: Case Review Series E-Book
by Wael E. Saad MBBCh, FSIR
- List rank#4
- Price$39.49
- Rating4.8
- Reviews9
-
Core Radiology: A Visual Approach to Diagnostic Imaging
by Ellen X. Sun
- List rank#5
- Price$173
- Rating4.1
- Reviews184
-
Nuclear Medicine: Bulleted Review
by William Wallace
- List rank#6
- Price$46.98
- Rating4.4
- Reviews7
-
Uflacker's Atlas of Vascular Anatomy
by Marcelo Guimaraes
- List rank#7
- Price$266
- Rating4.7
- Reviews24
-
Surgical Management of Aortic Pathology: Current Fundamentals for the Clinical Management of Aortic Disease (Medicine)
by Olaf H. Stanger
- List rank#8
- Price$190
- Rating5.0
- Reviews3
-
The Radiology Review BOARD EXAM Study Guide Episodes 1-101
by Matt Covington
- List rank#9
- Price$34.99
- Rating5.0
- Reviews5
-
Fundamentals of High-Resolution Lung CT: Common Findings, Common Patterns, Common Diseases, and Differential Diagnosis: Common Findings, Common Patters, Common Diseases and Differential Diagnosis
by Brett M. Elicker
- List rank#10
- Price$88.57
- Rating4.9
- Reviews24
Subcategories
FAQ
Is Radiology a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 12 reviews and sells for $60.80.
How many reviews do you need to rank in Radiology?
The median best seller has 12 reviews, and 85% of them have fewer than 100.
What do Radiology best sellers cost?
The median price is $60.80; half of the best sellers are priced between $9.99 and $88.17.
Can new books break into Radiology?
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.