Our World in Numbers: How Big? How Small? How Many? How Fast?

Learn about everything in the world from animals to art with this book of extraordinary figures and number-based facts for children aged 9-12!DK's cool compendium puts the fun back into learning, taking children on a number crunching journey around the wonders of our world. With zillions of fun figures at your fingertips, you are sure to expand your horizons and impress your friends with incredible statistics!