Book excerpt: A practical, portable handbook, newly updated with nearly 100 color images and figures, The Little GI Book: An Easily Digestible Guide to Understanding Gastroenterology, Second Edition is an invaluable resource for anyone new to the world of gastroenterology and hepatology. Featuring new information on the latest advancements in gastroenterology and hepatology and written in a friendly, conversational style, The Little GI Book will help readers learn the core concepts of digestive health and disease and absorb important information without a hiccup. Author Dr. Douglas G. Adler provides a comprehensive, soup-to-nuts guide to gastrointestinal anatomy, physiology, disease states, and treatment. With new color images throughout, The Little GI Book guides the reader through the entire gastrointestinal tract, starting at the top with the esophagus, ending at the bottom with the colon and rectum, and covering everything in between: the stomach, small intestine, liver, pancreas, bile ducts, and gallbladder. The Little GI Book is an indispensable pocket guide for residents, students, nurse practitioners, office staff, industry sales force, and anyone who works in the GI industry but isn’t a gastroenterologist.