There is a book review of a 98 page book supposedly about Ukita
Kōkichi (who apparently prematurely invented the hang glider)
http://blog.seattlepi.com/travelforaircraft/archives/226709.asp
Which consists of this Wikipedia article:
http://en.wikipedia.org/wiki/Ukita_K%C5%8Dkichi
and a few others
Listed on Amazon for 50 bucks:
http://www.amazon.com/exec/obidos/ASIN/6131076278/
together with a bevy of other sellers:
http://www.amazon.com/gp/offer-listing/6131076278/ref=dp_olp_new?ie=UTF8&am…
Fred