541 pages, 4th revised edition. Apart from an ownership signature, clean unmarked and solid. Title on front cover : The Hygienic System: Orthotrophy. "Herbert McGolfin Shelton (October 6, 1895 - January 1, 1985) was an American naturopath, alternative medicine advocate, author, pacifist, vegan and a supporter of rawism and fasting. Shelton was nominated by the American Vegetarian Party to run as its candidate for President of the United States in 1956. He saw himself as the champion of original natural hygiene ideas from the 1830s. His ideas have been described as quackery by critics. " (Wikipedia)