Embark on a playful and intellectual journey with Henry Ernest Dudeney's intriguing work, "Amusements in Mathematics." Immerse yourself in a collection of puzzles, riddles, and mathematical challeng……続きを見る
For two decades, self-taught mathematician Henry E. Dudeney wrote a puzzle page, "Perplexities," for The Strand Magazine. Martin Gardner, longtime editor of Scientific American's mathematical games ……続きを見る
For the mastermind who has what it takes to solve the tricky conundrums from Britain's first and greatest puzzle master.
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Solve the puzzle of The Mystery of Ra……続きを見る
