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9780613756730
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Fool your friends; baffle your buddies; and perplex your parents with dozens of amazing tricks. Each of these fascinating feats appears to be the work of magical forces, but their true secret lies in mathematical manipulations. Correctly guess the age ofLonge, Bob is the author of 'Magical Math Book', published 1998 under ISBN 9780613756730 and ISBN 0613756738.
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