A Hereditary Book on the Art of War

Yagyu Munenori is a Japanese samurai, war tactics master, and a kendo master of Tokugawa bakufu at the age of 24. His kendo principles are mainly about disarming the opponent and avoid injury for both parties. In his tactician book, he implied that war tactics are not only useful in war, but also in art, science and even in ordinary day lives.