Amusements in Mathematics, first published in 1917 by Henry Ernest Dudeney, is a celebrated puzzle collection containing more than 400 clever challenges in arithmetic, algebra, geometry, and logic. The puzzles vary from lighthearted diversions to surprisingly intricate problems, each accompanied by complete solutions and Dudeney’s trademark wit. Inside, readers will find money puzzles, age and kinship problems, dissection challenges, magic squares, route puzzles, and many more—brought to life with detailed diagrams.

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