1)Preface 2)Editorial 3)Pathophysiology of Morbid Obesity 4)Evolution of Surgery for Morbid Obesity 5)Pre-operative Issues 6)Intra-operative Issues 7)Postoperative Management 8)Physiology and Metabolic Principles of Bariatric Operations 9)Rationale for Minimally Invasive Bariatric Surgery 10)Laparoscopic Restrictive Bypass 11)Laparoscopic Gastric Bypass 12)Laparoscopic Biliopancreatic Diversion 13)Laparoscopic Duodenal Switch 14)Open Surgery in the Era of Minimally Invasive Surgery 15)Laparoscopic Re-operative Surgery 16)Radiographic Evaluation and Treatment of Bariatric Complications 17)Endoscopic Evaluation and Treatment of Bariatric Complications 18)New Technology 19)Special Topics in Bariatric Surgery