KDP categories · Top KDP authors
Radiological & Ultrasound Technology: Amazon KDP category data
Amazon Books Best Sellers data for Radiological & Ultrasound Technology, updated Nov 2, 2026: median price $69.94, median 61 reviews, average rating 4.6 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $48.49 – $99.97 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- At $69.94 its median price beats 98% of Books categories, leaving more margin per copy.
- Its median reviews are 42% of the parent category Allied Health Services (146), one of the easier corners under it.
- 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 Radiological & Ultrasound Technology best sellers
-
Mosby's Exam Review for Computed Tomography
by DeMaio
- List rank#1
- Price$68.95
- Rating4.7
- Reviews101
-
Handbook of Radiographic Positioning and Techniques
by John Lampignano MEd RT(R) (CT)
- List rank#2
- Price$70.97
- Rating4.8
- Reviews146
-
Examination Review for Ultrasound: Abdomen and Obstetrics & Gynecology
by STEVEN M. PENNY MA RT(R)) RDMS
- List rank#3
- Price$94.48
- Rating4.6
- Reviews236
-
Merrill's Pocket Guide to Radiography
by Jeannean Hall Rollins MRC BSRT(R)(CV)(M)
- List rank#4
- Price$59.95
- Rating4.6
- Reviews118
-
Mosby's Comprehensive Review of Radiography: The Complete Study Guide and Career Planner
by William J. Callaway MA RT(R)
- List rank#5
- Price$85.99
- Rating4.8
- Reviews321
-
Neurology Made Ridiculously Simple
- List rank#6
- Price$34.95
- Rating4.6
- Reviews18
-
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
-
Handbook of MRI Scanning
by Geraldine Burghart MA RT(R)(MR)(M)
- List rank#8
- Price$54.70
- Rating4.6
- Reviews323
-
Vascular Technology: An Illustrated Review
by RN Rumwell, Claudia
- List rank#9
- Price$99.95
- Rating4.8
- Reviews333
-
Textbook of Radiographic Positioning and Related Anatomy
by John Lampignano MEd RT(R) (CT)
- List rank#10
- Price$168
- Rating4.6
- Reviews79
FAQ
Is Radiological & Ultrasound Technology a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 61 reviews and sells for $69.94.
How many reviews do you need to rank in Radiological & Ultrasound Technology?
The median best seller has 61 reviews, and 61% of them have fewer than 100.
What do Radiological & Ultrasound Technology best sellers cost?
The median price is $69.94; half of the best sellers are priced between $48.49 and $99.97.
Can new books break into Radiological & Ultrasound Technology?
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.