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An early English-language book on martial arts but since I can find little about the transmission of jiu-jitsu (or about this author either) it's unclear how "early". The introduction claims the discipline was already being taught at Annapolis and West Point which might be true but is probably exaggerated. In any case since the text is basically just descriptive the real appeal of the book today is the photos showing attacks involving a man in a hat, almost like John Steed's fighting manual.
