http://cgi.ebay.com/Xenogears-DigiCube-Guide-Book-Papercraft-Square-Jp-1998_W0QQitemZ160188120654QQihZ006QQcategoryZ1345QQrdZ1QQssPageNameZWD1VQQcmdZViewItem#ebayphotohostingA DigiCube "Xenogears" Guide Book published on 2.10.98. It has 104 lavishly illustrated color pages & all of the text is in Japanese. Very good condition. Special feature: Pages 94-103 are devoted to a make-your-own 1/72 paper craft 'Weltall' model!
http://rs332.rapidshare.com/files/90611882/xenogears_Weltall.pdfit may be this one