Our favorite docs, Mehmet Oz and Michael Roizen, have returned to the book that started it all. With brand new chapters on the liver and pancreas, a Q&A section, and The Owner's Manual Workout, You: The Owner's Manual, Updated and Expanded Edition is an even more vital guide to the most important person in your life—you.

Dr. Mehmet C. Oz is the professor and vice chairman of Surgery at Columbia University and director of the Cardiovascular Institute and the Complementary Medicine Program at New York Presbyterian Hospital. He is the health expert on The Oprah Winfrey Show and writes for O Magazine, Esquire, and Reader's Digest. Oz and Dr. Roizen host a show on Oprah & Friends radio, where they discuss healing techniques, preventative medicine, and the latest in health news, so that Americans can make well-informed decisions about their health.