- Cut pizzas in new and fairer ways!- Fit a 2p coin through an impossibly small hole!- Make a perfect regular pentagon by knotting a piece of paper!- Tie your shoes faster than ever before, saving literally seconds of your life!- Use those extra seconds to contemplate the diminishing returns of an exclamation-point at the end of every bullet-point!- Make a working computer out of dominoes!Maths is a game. This book can be cut, drawn in, folded into shapes and will even take you to the fourth dimension. So join stand-up mathematician Matt Parker on a journey through narcissistic numbers, optimal dating algorithms, at least two different kinds of infinity and more.