Professor Hoffmann's Best Math and Logic Puzzles

Professor Hoffmann's Best Math and Logic Puzzles

By: Louis Hoffmann

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You invite a gentleman to stand in the middle of the room. Taking a piece of chalk, you undertake to draw round him a circle which he cannot jump out of. How is it to be done?
This riddle, "The Charmed Circle," is but one of dozens of antique treats from a classic collection of brainteasers. Professor Hoffmann published his great treasury of old and new puzzles in 1893. Since then, puzzle aficionados have reveled in the Victorian charm of the professor's challenges. This compilation features some of the most pleasantly perplexing highlights from the original edition — 158 puzzles in all, with complete solutions.
Four different kinds of puzzles include those involving arithmetic, a selection of word and letter puzzles, puzzles with counters, and "quibble" or "catch" puzzles, which rely upon a double meaning or a clever interpretation of the question — such as "The Charmed Circle," above, in which the triumphant puzzle-solver draws a chalk line around the subject's waist.

Dover republication of a selection of puzzles from Puzzles Old and New, Frederick Warne and Co., London and New York, 1893.
AvailabilityUsually ships in 24 to 48 hours
ISBN 100486454746
ISBN 139780486454740
Author/EditorLouis Hoffmann
Grade level7 and Up (ages 12 and up)
Page Count160
Dimensions5 3/8 x 8 1/2

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