Being an Archer of some years, I would never recommend taking all your information from an Archery Book - any Archery book.
Always liaise with a good Coach as you can't beat a good Coach with tangible, repeatable, accessible knowledge.
All that said, knowledge is power, as they say. And this book is a well written, with a good set of images and photographs' explaining what is one of the best ways of shooting a bow, and Compound Bows in particular. Larry is known as a Coach in his home country and the information is given in a logical well explained order. Would certainly recommend this book to anyone who shoots Compound