A treat for the eye as well as the mind, these beautifully designed and intellectually stimulating challenges were created by one of the world's most innovative puzzlemakers. Sprinkled with popular science factoids, 85 visual puzzles include several classics attributed to important mathematicians and philosophers, Including Galileo, Fibonacci, Foucault, Rott, Cantor, Sierpinski, and Aristotle. Solutions. Reprint of the Sterling Publishing Company, New York, 2006 edition.