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 puzzle makers. Ivan Moscovich presents eighty-five intriguing visual puzzles, each sprinkled with fascinating popular science facts. Suitable for puzzle lovers of all ages, this collection features classic challenges attributed to important mathematicians and philosophers: Galileo's Pendulum, Cantor's Comb, Aristotle's Wheel Paradox, and enigmas based on the work of Fibonacci, Foucault, Rott, Sierpinski, and other thinkers. Playful puzzles include Hotel Infinity, Tower Power, Lost Marbles, and Walking Dogs. For the hopelessly perplexed, complete solutions appear at the end.