This is the comprehensive guide to everything you need to know about the penis, for men and women alike. Written by Dr. Aaron Spitz, this book is full of in-depth information, expert medical advice, and even humour to put the reader at ease. In addition to information on everything from sexually transmitted infections to the science of blood flow, Dr. Spitz presents an easy-to-follow five-step plan for holistic penis health, including advice on eating a plant-based diet, meditation, and heart-healthy workouts.