This work is the translation of Fujita Seiko's Ninjutsu kara Spy-sen e (From Ninjutsu to Spy Warfare.) Published originally before the war, a later edition changed the name and added two chapters. This work is how traditional ninjutsu can be used in the modern age.
![The Secrets Of Koga-Ryu Ninjutsu [Paperback]](/itemImage/2/3/0/1/2_327865.jpg)