I saw the book The Secrets of Okinawan Karate: Essence and Techniques by Kiyoshi Arakaki in the bookstore today, I flipped through it and seemed to really compare and contrast, and explore the reasons for, the various techniques of Okinawan Karate. (Most books with 'secrets' in the title I consider highly suspect though I know the publishers may force it on an otherwise good book.) I found it interestung--an attempt tor eally discuss why one punches a certain way, what the benefits of a certain stance is, etc.--but I only skimmed it. Is anyone familiar with it and able to comment in more detail?