KDP categories · Top KDP authors
RT R: Amazon KDP author data
As of Nov 6, 2026, RT R has 9 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #1), mostly in Radiologic & Ultrasound Technology, Diagnostic Imaging, Radiology.
| Median price | $65.88 |
|---|---|
| Price range (middle 50%) | $63.19 – $82.88 |
| Median reviews | 83 |
| Total reviews | 1,428 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
RT R's best-ranked books
-
Mosby's Comprehensive Review of Radiography - E-Book
by RT R
- Price$64.79
- Rating4.8
- Reviews321
-
Sectional Anatomy for Imaging Professionals - E-Book
by RT R
- Price$112
- Rating4.7
- Reviews478
-
Digital Radiography and PACS E-Book
by RT R
- Price$63.19
- Rating4.6
- Reviews222
-
Introduction to Radiologic Technology - E-Book
by RT R
- Price$65.88
- Rating4.7
- Reviews27
-
Principles of Diagnostic Radiology 2026: An Illustrated Handbook of Clinical Imaging and Interpretation
by RT R
- Price$212
- Rating4.9
- Reviews8
-
Introduction to Radiologic Technology - E-Book
by RT R
- Price$59.99
- Rating4.7
- Reviews189
-
Workbook for Radiologic Science for Technologists - E-Book
by RT R
- Price$47.39
- Rating4.8
- Reviews83
-
Digital Radiography and PACS E-Book
by RT R
- Price$69.74
- Rating4.6
- Reviews61
-
Radiographic Image Analysis - E-Book
by RT R
- Price$82.88
- Rating4.7
- Reviews39
Main categories
FAQ
How many books does RT R have on Amazon?
KDPTop tracks 9 of their books; 9 made an Amazon list in the last 30 days.
Which categories does RT R publish in?
Their books chart most often in Radiologic & Ultrasound Technology, Diagnostic Imaging, Radiology.
How does RT R price their books?
The median price is $65.88; half of the books cost $63.19–$82.88.
Has RT R released new books recently?
0 new books in the last 30 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.