Modern Ninjutsu 5 Book Course by Gendai Ninpodo Honbu (Preowned)

This is a rare 5 book set that was sold only to members.

Books include:

1 Wind
2 Water
3 Earth
4 Fire
5 Guidebook

Published by the Gendai Ninpodo Honbu (Modern Ninjutsu Headquarters). Filled with photos and illustrations.

Language: Japanese

Length: 162 pages across 5 books

Publication date: 1979