Bontrager's Handbook of Radiographic Positioning and Techniques (Spiral) is a comprehensive textbook authored by John Lampignano and Leslie E. Kendrick. Published by Elsevier-Health Sciences Division in 2020, this handbook is an essential resource for those studying or working in the field of radiography. With detailed instructions on positioning and techniques, along with illustrations, this book is a valuable tool for both beginners and advanced professionals. The spiral-bound format makes it convenient for reference while studying or working in a clinical setting.