Felson's Principles of Chest Roentgenology: A Programmed Text, 5th Edition has been the go-to learning resource for medical students, residents, radiologists, and those who order and interpret chest x-rays for a long time. It is simple to read, interesting, and highly interactive. It provides a straightforward and self-guided lesson on all areas of chest imaging, including problems posed by diseases and anatomy. This best-selling title has become the must-have primer of chest radiology due to its comprehensive and easily understandable explanations of fundamental scientific concepts, image reading and interpretation, and key terminology. Also included are hundreds of high-quality radiographs and interactive quizzes, all of which contribute to the book's success.