From the Master Geek and National Living TreasureThis book is bigger than the BIG BANG!Stuffed with things to read, draw, puzzle, invent, order, unscramble, create, write, decode, code, make, match up, mix up ... It's the wonderful world of me! - Dr Karl

One of the world's top puzzle- and game-makers compiled this visually stunning assortment of 86 mathematical challenges. Ivan Moscovich presents his own inventions along with classic mind-bogglers from throughout history. Each promotes creative thinking, providing intellectual satisfaction as well as entertainment. These thought-provoking puzzles offer fresh insights into many concepts common to art, science, and everyday life. They include a tribute to Leonardo da Vinci that involves his famous hidden messages as well as several of his dissection dilemmas. "The Hamilton Way" concerns the problem of visiting all of the vertices of a graph, and "Catenary: The Gravity Curve" suggests a captivating experiment with a chain or a necklace. Each puzzle is accompanied by colorful graphics that help explain the underlying mathematics. Complete answers appear at the end, presenting not only solutions but also explanations that illustrate simple mathematical principles.