Above link is for the most informative web site dedicated to the Shuriken Arts

run by my good friend Jason Wotherspoon. Although it has been updated in

 awhile it is still worth reading

http://www.japanesetranslations.co.uk/bujinkan/bujinkanbooks-j.htm

Above link is for a comprehensive bibliography on Ninjutsu books by Ben

Jones. He also has a separate page dedicated to Bujinkan books in Spanish,

German and French. The site has very detailed information such as the ISBN

numbers, printing dates, authors and the publishers.

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