This book takes a very practical approach to radiation protection and presents very readable information for anyone working in the radiation field or with radioactive material. Offering information rarely found elsewhere the authors describe in detail both the basic principles and practical implementation recommendations of radiation protection. Each chapter includes self-assessment review questions and problems with answers provided to help readers master important information. Coupled with a teacher s manual this book is highly suitable as an undergraduate text for students preparing for careers as X-ray radiation oncology or nuclear medicine technologists. It can also be used as a reference for residents in radiology and radiation oncology medical personnel or anyone working with radioactive materials such as those involved in homeland security/emergency services or employed at a nuclear power plant.