Stephen K. Hayes Related books Ninja and Their Secret Fighting Art Tuttle Pub • 1990 Ninja Vol. II Warrior Ways Of Enlightenment Black Belt Communications Inc • 1981 Ninja: Vol. 3: Warrior Path To Togakure Black Belt Communications Inc • 1983 Ninjutsu McGraw-Hill • 1984 The Mystic Arts of the Ninja: Hypnotism, Invisibility, and Weaponry McGraw-Hill • 1985