Jethro Kloss pioneered the ideas that led to the flourishing of the naturalfoods industry. This book is a complete guide and introduction to the naturallifestyle and has withstood the test of time, selling more than 4 million copies since it was first published in 1939. This new revised and enlarged secondedition updates the book with much new material, many additional herbalreferences and reorganizes it for ease of use with an extensive index. The book includes Kloss family photographs and memories as well.