"Eat, Drink, and Be Healthy: The Harvard Medical School Guide to Healthy Eating" by Walter Willett is a comprehensive textbook on nutrition and healthy eating. Published by Free Press in 2002, this trade paperback covers topics such as nutrition, diets, and healthy living. With 304 pages, this book provides practical advice and insights on how to maintain a healthy lifestyle through good eating habits. Written in English, this guide is a valuable resource for those looking to improve their diet and overall well-being.