Providing a refreshing view of mathematics, this engaging manual is designed to both educate and stimulate the mind to form a new appreciation of common calculation. Illustrating how math can demonstrate its secret design in even the most mundane of everyday objects, these fascinating curiosities provide the link between limericks and rabbits, show how a simple paper folding tick can lead to a Jurassic Park inhabitant, and reveal an apparently fair coin game where the odds are massively in the player's favor. Using simple and accessible tools--such as playing cards, a newspaper, the back of an envelope, a Sudoku puzzle, some pennies, and, of course, a pair of socks--this remarkable collection of activities and mathematical brainteasers will engage and delight fans of cerebral calculations at all ages and skill levels.