here is a list of useful books/authors which I would recommend to any serious student of martial arts..wally jay - small circle ju jitsu
george kirby - ju jitsu nerve techniques
hei long - dragon's touch ouch
janet rodgers - safe at all times
professor r clark – many books on
syllabus, but be aware his syllabus does not match ours.
george dillman – many books, I would
buy any of them
bubishi