KDP categories · Top KDP authors
Radiologic & Ultrasound Technology (Allied Health Professions, Books): Amazon KDP category data
Amazon Books Best Sellers data for Radiologic & Ultrasound Technology (Allied Health Professions, Books), updated Nov 3, 2026: median price $67.99, median 57 reviews, average rating 4.6 and a KDPTop opportunity score of 34/100 (highly competitive).
| Price range (middle 50%) | $43.77 – $94.48 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 18% of the parent category Allied Health Professions (318), one of the easier corners under it.
- At $67.99 its median price beats 98% of Books categories, leaving more margin per copy.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Radiologic & Ultrasound Technology 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
-
Handbook of Radiographic Positioning and Techniques
by John Lampignano MEd RT(R) (CT)
- List rank#2
- Price$70.97
- Rating4.8
- Reviews146
-
Mosby's Exam Review for Computed Tomography
by DeMaio
- List rank#3
- Price$68.95
- Rating4.7
- Reviews101
-
Mosby's Comprehensive Review of Radiography: The Complete Study Guide and Career Planner
by William J. Callaway MA RT(R)
- List rank#4
- Price$85.99
- Rating4.8
- Reviews321
-
Merrill's Pocket Guide to Radiography
by Jeannean Hall Rollins MRC BSRT(R)(CV)(M)
- List rank#5
- Price$59.95
- Rating4.6
- Reviews118
-
Textbook of Radiographic Positioning and Related Anatomy
by John Lampignano MEd RT(R) (CT)
- List rank#6
- Price$168
- Rating4.6
- Reviews79
-
Introduction to Radiologic & Imaging Sciences & Patient Care
by Arlene M. Adler MEd R.T.(R) FAEIRS
- List rank#7
- Price$68.39
- Rating4.6
- Reviews206
-
Workbook for Merrill's Atlas of Radiographic Positioning and Procedures
by Jeannean Hall Rollins MRC BSRT(R)(CV)(M)
- List rank#8
- Price$100
- Rating4.4
- Reviews27
-
CRACK THE CORE EXAM - VOLUME 2: 12th Edition (2025)
by Prometheus Lionhart M.D.
- List rank#9
- Price$47.05
- Rating4.8
- Reviews38
-
CRACK THE CORE EXAM - VOLUME 1: 12th Edition (2025)
by Prometheus Lionhart M.D.
- List rank#10
- Price$46.61
- Rating5.0
- Reviews34
Same niche in Kindle eBooks: Radiologic & Ultrasound Technology
FAQ
Is Radiologic & Ultrasound Technology a good niche for Amazon KDP?
Its KDPTop opportunity score is 34/100, which makes it highly competitive. The median best seller has 57 reviews and sells for $67.99.
How many reviews do you need to rank in Radiologic & Ultrasound Technology?
The median best seller has 57 reviews, and 62% of them have fewer than 100.
What do Radiologic & Ultrasound Technology best sellers cost?
The median price is $67.99; half of the best sellers are priced between $43.77 and $94.48.
Can new books break into Radiologic & Ultrasound Technology?
4% 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.