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Название: Mathematical Puzzles of Sam Loyd
Авторы: Loyd S., Gardner M.
Bizarre imagination, originality, trickiness, whimsy characterize puzzles of Sam Loyd, America’s greatest puzzler. Present selection from fabulously rare Cyclopedia includes the famous 14–15 puzzles, the Horse of a Different Color, and 115 others in various areas of elementary math. 150 period line drawings.