The Warrior's Handbook is the official textbook of Shinsei Hapkido.
It is used to teach and convey the philosophy embodied in the system.
This edition of the Warrior's Handbook contains essays from teachers and masters who ascended to those ranks since the first edition in 2010.
The Volume Containing Warrior's Heart Revealed, a work that explains in detail the philosophy embodied in the Shinsei style of Hapkido, as well as...