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For two decades, self-taught mathematician Henry E. Dudeney wrote a puzzle page, "Perplexities," for The Stran
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Henry Ernest Dudeney has been rightly called “the puzzle king.” As the Introduction says, “With respect to mathematical
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Henry Dudeney (1847-1930) has been called England’s greatest inventor of mathematical puzzles. His talent for creating f
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Bioethics: 50 Puzzles, Problems, and Thought Experiments collects 50 cases―both real and imaginary―that have been, or sh
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100 PUZZLES THAT LOOK ORDINARY ENOUGH ... UNTIL YOU TRY TO SOLVE THEM! Nothing is as it seems in this particular type o
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