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Ultrasonography (Radiology & Nuclear Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Ultrasonography (Radiology & Nuclear Medicine, Books), updated Nov 2, 2026: median price $97.22, median 14 reviews, average rating 4.5 and a KDPTop opportunity score of 30/100 (highly competitive).
| Price range (middle 50%) | $64.75 – $140 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Books |
What stands out
- At $97.22 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 Ultrasonography best sellers
-
Critical Care and Hospitalist Medicine Made Ridiculously Simple
by Michael Donahoe M.D.
- List rank#1
- Price$59.95
- Rating4.7
- Reviews748
-
Examination Review for Ultrasound: Abdomen and Obstetrics & Gynecology
by STEVEN M. PENNY MA RT(R)) RDMS
- List rank#2
- 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#3
- Price$85.99
- Rating4.8
- Reviews321
-
Vascular Technology: An Illustrated Review
by RN Rumwell, Claudia
- List rank#4
- Price$99.95
- Rating4.8
- Reviews333
-
Introduction to Sonography and Patient Care
by Steven M. Penny M.A. RT (R) RDMS
- List rank#5
- Price$79.98
- Rating4.6
- Reviews189
-
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#6
- Price$15.99
- Rating4.3
- Reviews9
-
Textbook of Diagnostic Sonography: 2-Volume Set
by Sandra L. Hagen-Ansert MS RDMS RDCS FASE FSDMS
- List rank#7
- Price$338
- Rating4.8
- Reviews57
-
Textbook of Clinical Echocardiography
by Catherine M. Otto MD
- List rank#8
- Price$138
- Rating4.6
- Reviews52
-
Basic to Advanced Clinical Echocardiography: A Self-Assessment Tool for the Cardiac Sonographer
by Bonita Anderson
- List rank#9
- Price$121
- Rating4.6
- Reviews79
-
Advanced Handbook Of Point-Of-Care Musculoskeletal Ultrasound: A Comprehensive Guide to Sonoanatomy, Bedside Scanning Techniques, Dynamic Assessment, ... (Specialist Clinical Handbook Series)
by Novacura Academic Publications
- List rank#10
- Price$195
- Rating5.0
- Reviews3
FAQ
Is Ultrasonography a good niche for Amazon KDP?
Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 14 reviews and sells for $97.22.
How many reviews do you need to rank in Ultrasonography?
The median best seller has 14 reviews, and 85% of them have fewer than 100.
What do Ultrasonography best sellers cost?
The median price is $97.22; half of the best sellers are priced between $64.75 and $140.
Can new books break into Ultrasonography?
13% 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.