"Describes the science behind the armor, weapons, training, and tactics used by ninjas in their missions and in combat"--

The Spy Ninjas are on a mission to stop the evil shadow network once and for all in this exclusive guidebook based on the hit YouTube show! The secret is out! T

Honoria, Shohei, and Elias, who are "united together against That Which Is The Peshtigo School," face conflict over their budding romantic interest and a scienc

Pack your bags and grab your gear: you're going to Ninja Camp! Listen closely to the ninja master, who will teach you everything you need to know to become a ni