Discover the amazing world of numbers and the real-world wonders they represent through creative, easy-to-understand infographics! 318, 979, 564, 000: That's the number of ways you can play the first four moves in a chess game. 500: That's the average number of beats per minute of a hummingbird's heart. Colorful illustrated graphs, word clouds, pie charts, maps, photography, comparative images, and more illuminate the math behind statistics, trends, and measurements we encounter every day. Infographics cover popular subjects from science and technology to nature and wildlife, as well as everyday activities like sports and TV. Find fascinating Q&As with math experts such as computer programmers, data artists, and more to show the many ways that math is cool! | By The Numbers 3.14 by National Geographic Kids, Reinforced Library Binding | Indigo Chapters