Professor John J O'Brien was a former Inspector and Superintendent of Police in Nagasaki Japan, and is credited as the man who brought Jiu Jitsu to America in 1

First published in 1920, this vintage book contains a complete seven-volume course on leaning jujitsu. Jujutsu, also referred to as Jujitsu or Jiu-Jitsu, is a J

With extensive, step-by-step photographs and instructions, this jiu-jitsu guide is an effective tool for mastering this ancient martial art. The original Japane