Looking at this book might give one the impression that is a do all, end all book encompassing everything that needs to be known. This is not the case.
This book is a somewhat short (100 pages - pictures included), but to the point book about how to properly select personal carry knives. What kind of knife in itself is right for you, how best to carry it, and deploy it in a quick and efficient manner, these are the major points that are gone over in this book. Along with that is what mechanical qualities you should look for when buying one. Only a handful of combat situations are mentioned in order to give perspective.
A number of common misconceptions I had nearly sent me into buying a knife that was totally incorrect for my situation. It turns out that though they were visually appealing, they had little or no true tactical combat value. WHEW!
Just for the sake of repeating, this book is only like a buyer's guide for a self defense knife. It does NOT detail actual combat strategies, moves, defenses, etc. If that is what you are looking for I would recommend -Knife Fighting : A Practical Course- by the same author.