There are 1 book by Professor J. O'Brien on BookOrb. A strong starting point is A Course of Jiu-Jitsu and Physical Culture - Jiu-Jitsu Diploma Revised from the Govenor of Nagasaki, Japan (2018). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Professor J. O'Brien written?
BookOrb lists 1 book by Professor J. O'Brien.
Where should I start with Professor J. O'Brien?
A good starting point is A Course of Jiu-Jitsu and Physical Culture - Jiu-Jitsu Diploma Revised from the Govenor of Nagasaki, Japan (2018).
What is the Professor J. O'Brien books in order list?
In publication order: 1. A Course of Jiu-Jitsu and Physical Culture - Jiu-Jitsu Diploma Revised from the Govenor of Nagasaki, Japan (2018).