Ninja Spirit of the Shadow Warrior is the first installment in Stephen Hayes’ quest to uncover the secrets of the Ninjas. In this book Hayes introduces his readers to Ninjutsu, to basic postures, fighting techniques and weapons. The author also teaches meditation exercises to strengthen consciousness and decrease reaction time. Discover where Ninjas came from, what they did, how they survived, and where they are now. An overall awesome read. Hayes has also studied Korean Tang Soo Do and Buddhism and received a 10th Dan in Togakure-ryu.