This fully revised and expanded second edition is of interest to those with intraoperative electron (IOERT) capabilities, high-dose-rate brachytherapy (HDR-IORT) capabilities, or both. Techniques, indications, and results are discussed by disease site. Each chapter is dual authored by a radiation oncologist and a surgeon, giving a balanced presentation of clinical scenarios. Issues of basic science and physics are also covered, and a notable chapter on normal tissue tolerance is included. , Second Edition is a superb compilation, providing essential cutting-edge knowledge. It is a foundation for physicians as IORT develops and becomes more widely available.