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ISBN 9781568812069 books & textbook

Puzzles 101: A PuzzleMasters Challenge

Nobuyuki Yoshigahara  Richard Weyhrauch  Yasuko Weyhrauch  

A K Peters/CRC Press /2004T Paperback / 136 Pages
isbn-10: 156881206X / isbn-13: 9781568812069
 

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