For centuries, mystery has surrounded the lives of Japan's legendary ninja, the ingenious and deadly spies that were feared and revered by all. More Secrets of the Ninja takes you inside the ninja world to reveal the many facets of their remarkable lives. Packed full of fighting techniques, weaponry, workouts, secret codes and health tips, this full-color factbook provides the would-be ninja with every skill necessary for a life of stealth, secrecy and survival.