Description

Our dissatisfaction often serves us well

this provocative design is intended for contemplation rather than precision

the book offers a new feature: the quick check

Permian Bone

Mathematical Puzzles of Sam Loyd no-quick-add Our dissatisfaction often serves usBizarre imagination, originality, trickiness, and whimsy characterize puzzles of Sam Loyd, America's greatest puzzler. Present selection from fabulously rare Cyclopedia includes the famous 1415 puzzles, the Horse of a Different Color, and 115 others in various areas of elementary math. 150 period line drawings.

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Mathematical Puzzles of Sam Loyd no-quick-add Our dissatisfaction often serves us

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