Ninjutsu: The Art of Invisibility (Tuttle Library of Martial Arts)

"Ninjutsu", the ancient and secret Japanese art of espionage and assassination, has long fascinated the Western world. Ninja masters were adept in the martial arts and techniques of stealth and concealment. Stripping away the myth and mystery, Donn Draeger reveals the secret tactics, weapons, tricks, and disguises that have earned the ninja a reputation as history's most feared agents.