Unlike formal self-defense that you've learned, Dirty Fightingworks. You don't have to waste alot of time training. Itrequires less strength than structured self defense systems. This book is not a self defense system. There are no fixedmethods of how a technique should or should not be done. It'spurpose is to teach you to defend yourself by attacking youropponent using deception and surprise, accompanied by a handful of highly effective and unconventional fighting techiques.150 pages, 5.5"x8.5".