An introduction to the topic, with basic math review and activities such as lab assignments, crossword puzzles, and multiple choice questions, for those studying to be technicians. Sections include: image quality and production, distortion, exposure factors, control of scattered radiation, recorded detail, and radiographic techniques. Bound on slick paper with perforations so pages can be torn out. Note: CiP shows the price as 38. Annotation copyright Book News, Inc. Portland, Or.