Rare 1972 paperback of "The Greatest Health Discovery - Natural Hygiene and it's Evolution, Past, Present and Future" from the works of Sylvester Graham, tthe American Presbyterian minister and dietary reformer known for his emphasis on vegetarianism, the temperance movement, and eating whole-grain bread. His preaching inspired the graham flour, graham bread, and graham cracker products. Graham is often referred to as the "Father of Vegetarianism" in the United States of America. Some light creasing of the spine, yellowing of the pages and the pages are a bit crinkly towards the back.