As a physician, I am fascinated by this miracle of nature and would like to share my enthusiasm with you,” Professor Stremmel undoubtedly succeeds in doing. The author illuminates the fact that classic intestinal problems often originate in the liver, pancreas, or esophagus in an entertaining and easily understandable manner. His findings are based on a wealth of experience both as a practitioner and as a researcher. It also includes a striking account of an experience with Wilson’s disease.