The volume on the auricular Osvaldo Sponzilli, one of the leading european experts in this discipline, realized with the contribution of professors Tìberiu Brenner and Giancarlo Bazzoni, is an important tool for the study of operators, in particular doctors, acupuncturists, interested to learn more about this specific theme. In the book the main aspects of the therapy, the headset are addressed in a clear, concise and at the same time rigorous, with the help of effective illustrations in color of all of the maps in the earphones. Of particular interest is the section that delves into the chromo-therapy headset and the chapter dedicated to the use of the therapy headset in the integrated treatment of overweight and obesity. This latter issue, treated by Giancarlo Bazzoni, who have long placed him at the centre of its practice and professional research, can provide operators with valuable insights to the learning of a technique that is giving good therapeutic results. The book is completed by an extensive and updated bibliography.