NinjasBook - 2015
The Samurai may have been the rock stars of the warrior class in medieval Japan, but the Ninjas were the secret agents. This exciting book details the history and espionage skills of Ninjas who were masters of 18 warrior skills, including the martial art ninjutsu.
Publisher: St. Catharines, Ontario : Crabtree Publishing, 
Characteristics: 48 pages : illustrations ; 27 cm.