1st volume of the six-part series by Hayes about the Japanese shadow warriors early in the 1980s.

Stephen Hayes is said to be the father of ninjutsu in the USA. His works are still in demand by collectors, martial artists and historians.

Format: 15 x 22,5 cm, 142 pages, Softcover. Numerous pictures, Text in English.
Condition: Signs of use, corners are slightly scuffed. Apart from this in good condition.
3rd edition from 1981. (!)