Introduces puzzles and math problems involving coincidence, ciphers, games, the I Ching, geometric figures, and paradoxes.Introduces puzzles and math problems involving coincidence, ciphers, games, the I Ching, geometric figures, and paradoxes.

Title | : | Knotted Doughnuts and Other Mathematical Entertainments |

Author | : | Martin Gardner |

Publisher | : | W H Freeman & Company - 1986 |

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