Dirty Fighting- An Introduction to the Principles of Combat without Weapons, was written by LT. David Morrah JR at the Anti-Aircraft Artillery School( AAA School) at Camp David, NC during WW-2. The concept was that artillery men's weapons may not be ready while working the guns so focused specialized hand to hand training was developed for them. It based upon simple effective fighting methods. The author's methods are: simple, effective and removes the sport fair play mentality in his methods. Great old-school street fighting methods from WW-2.