In The Ninja Defense, the classic art of the ninja is updated for maximum effectiveness in modern day situations. Stephen K. Hayes is a Black Belt Hall of Fame member, founder of To-Shin Do, and acknowledged "Father of American Ninjutsu." He has distilled and refined the knowledge he has built studying and teaching ninjutsu for decades into a comprehensive self-defense system that can defuse the worst situations the modern world has to offer.

The result is a realistic martial arts...