the book is a new tool that you can use to learn more about Bariatric Surgery. Beginning with the history of bariatric and laparoscopic bariatric surgery, the reader can follow the principal indications and care to be taken with the patient before, during and after surgery and how to conduct the anesthesia in those special patients. After that introduction, one will find some of the most important surgeons of the world teaching their techniques using multimedia. The techniques are displayed as videos together with a short but dense text discussing indications, complications and technical details. The video atlas Managed to put together the majority of the restrictive, intestinal and gastric bypass techniques showed by their creators or very well know surgeons from several parts of the world.