Must have book for any one who aspires to be in great shape. Arnold has Explained that body building is not just about growing muscles and getting huge but so it Affects your mind and changes your life making you more confident. So it focusess on various principles: such as training a weaker portion of body THUS having proportionate shape and many more. The training programs may really blast your muscles. So use your judgment while doing the exercises and even if does not show immediate results you want to be satisfied That You are doing something good for yourself. All in all this is an excellent book. You just read it and you know what I mean.