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reproduces

One of these principles is what Harold Speed calls "dither

If you've ever wondered whether carrots improve your vision (they do) and why elephants have great memories

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Mystifying Mathematical Puzzles reproduces"Fans will find this volume indispensable; casual readers will find it an attractive nuisance," observed Scientific American of this rich and challenging compilation of puzzles. From brainteasers that any novice can figure out to complex problems involving number theory, this puzzle treasury offers a splendid variety of conundrums. Readers can follow the path of the bouncing billiard balls, search for the lost chord, size up golden spheres, calculate

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