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
Nobuyuki Yoshigahara Richard Weyhrauch Yasuko Weyhrauch
A K Peters/CRC Press /2004T Paperback / 136 Pages
isbn-10: 156881206X / isbn-13: 9781568812069