“Helping educational programs make digital radiography easy to understand.”

"Umbra vs Sharpness"
"Digital & Sharpness"
For Educators
Textbooks | Slides | DVDs | Test Banks


"This is the best educational material I have encountered. The instructor is especially adept at explaining detailed aspects of imaging in an easily understood way, while still providing useful, extensive, in depth information."

-Jerre C. Erwin, BS, RT


Professional Background

Quinn B. Carroll, MEd, RT(R) – Denton, Texas

After 32 years as a radiography program director, Quinn B. Carroll took his retirement from Midland College in Texas as an assistant professor to write full time. Quinn has published four textbooks and a number of articles. Quinn has presented over 120 seminars in Canada and the USA, and dozens of presentations for state societies and the ASRT. Quinn received his Master of Education degree from the University of Wyoming and his  BS degree from the University of Utah, where he also obtained his radiography training at the University Medical Center.