I bought this book several years ago before attending one of Guro Ron's seminars. I'm glad I did, because I feel that this book only presents maybe an 8th of what he'd show you at a live seminar. But you'd be lucky to retain an 8th, so by reading the book ahead of time you get more out of the seminar.

Anyway, Ron has studied under quite a few martial artists in his time, and knows quite a few systems. If another book reviewer accuses him of being "incoherent" at times its because they probably aren't able to follow it themselves. I never had any trouble reading it. The book coveres all ranges, gives several techniques, but as others have stated covers a lot of philosophy as well. I'd like to have more material to read, but I don't have the $400-$800 for his DVD set yet. The book is a great substitute though, for a fraction of the price.

This book is a must for any serious JKD Student. While it tends to be a little too philosophical it has great drills and training tips for any JKD practioner. I am an Asst. Instructor in JKD and I can tell you that I use a lot of the material from this book when I teach. Trust me get this Book!