Defensive Tactics by Jim Wagner, is jammed packed full of reality Martial Arts by one of the best instructors in the world.  Wagner is a former police officer, jail guard, flight security officer - he has all the credentials you could ever ask for.  In this book he teaches you police ground fighting, security chokes, holds and Martial Arts in the war against terrorism, as well as techniques which emphasize the reality of fighting in the street.  206 pages.