"Ninjutsu has provided a key backbone to my training for many years. Adam and his school are amongst the best and I count it privilage to have trained with him"- Bear Grylls (10.03.2015)
The first of 2 books, explaining the origin and traditions of Ninpo from the collective Sanada Ryu perspective. The content covers full explanative of ninjitsu practice and skills along with testimony from masters of Japanese martial arts.