| #2587932 in Books | 1962-01-01 | Original language:English | PDF # 1 | File type: PDF | 128 pages||0 of 0 people found the following review helpful.| Knowledge|By BumNowak|Great reading, an eye opener.|0 of 0 people found the following review helpful.| A work for all times|By Roma P|This small book written about fifty years ago is still timely with its basic tenets for a healthy life, mind and body.|1 of 1 people found the following review helpful.|