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! Ever wondered how many stone blocks there are in the Great Pyramids at Giza? How long it takes to put on a spacesuit? Or what percentage of your brain you really use? Well look no further! This world fact book will keep both you and the kids entertained, arming you with nuggets of number knowledge and memorable information proving that data doesn't have to be boring. Tuck into a feast of fantastic figures and you will find: