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.

通过这本基于数字的事实书，了解世界上从动物到艺术的一切！本书为9-12岁儿童编写。

本书寓教于乐，带着孩子们在我们的世界奇迹中进行数字计算之旅。数以亿计的有趣数字触手可及，将会扩大你的视野，用令人难以置信的统计数据给你的朋友留下深刻印象！

你有想过吉萨大金字塔里有多少石块吗？穿上宇航服需要多长时间？或者你真正使用的大脑的百分比是多少？

现在不用再想了，只需翻开这本书，你将了解到各种数字知识和令人难忘的信息，告诉你数据不一定是无聊的，让你和孩子们乐在其中。