This free download is a rar archive that contains all the Karate and martial arts PDF e-books we use in our classes. Mizuumi ryu Karate is the hybrid style of martial arts formulated and taught by Owen Johnston. The style is dedicated to the development of body, mind, and spirit. The nucleus of the style is formed by Heiwado Karate, Boxing, and various grappling arts.
http://www.johnstonkarate.com/2012/09/mizuumi.html