William Durbin.

Exploring the origins of the ninjutsu and how the ancient techniques of the lesser known Koga Ryu branch of ninjutsu have survived to this day, this book explains the interrelation of nimpo, kempo and ninjutsu. It also reveals the importance of the overlooked but vital art of karumijutsu; and provides an indepth look at the bone breaking art of koppo.
102 Pages