The books of this author are decidedly very good, this one is a bit of a UFO as it is to my knowledge the only one who gets more or less the concept "crossfit" for training of physical fitness. This is very well explained in concept and philosophy of this training, many examples of sessions, exercises are explained as well.
I just find it lacks some of the cycles that directly give to integrate cardio strength to a conventional muscu training effectively, because there we are told that we must plan, but does not know how to take ...