2nd edition of Principles and Practice of Radiation Therapy is a comprehensive, affordable, resource that covers all of the relevant information in one volume. The first unit, Introduction to Radiation Therapy, presents the foundation of knowledge needed to understand and build on important concepts. The second unit, Physics, Simulation and Treatment Planning, explores the different treatment procedures and supporting information. Unit 3, Practical Applications, discusses various types of cancer and the body systems affected. Excellent pedagogical features throughout the book include outlines and a list of key terms at the beginning of each chapter, as well as review questions and critical thinking questions at the end of each chapter.