The noted expert selects 70 of his favorite "short" puzzles. Includes The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops, and dozens more. Complete solutions included.
This classic work offers scores of stimulating, mind-expanding games and puzzles: arithmetical and geometrical problems, chessboard recreations, magic squares, map-coloring problems, cryptography and cryptanalysis, much more. Includes 150 black-and-white line illustrations.
Characters from "Wonderland" and "Through the Looking-Glass" populate these 88 puzzles involving word play, logic and metalogic, and philosophical paradoxes. The charmingly illustrated challenges range from easy to difficult and include solutions.
Gambling led Cardano to the study of probability, and he formulated some basic ideas more than a century before the better-known correspondence of Pascal and Fermat. This volume was published posthumously in 1663.
Math enthusiasts of all ages will delight in these 200 riddles, based on concepts from geometry, trigonometry, algebra, infinity, probability, and logic. Includes complete solutions and 113 illustrations.
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