DK 
Our World in Numbers [EPUB ebook] 
An Encyclopedia of Fantastic Facts

Zillions of fun figures at your fingertips! Do you want to impress your friends with the most incredible facts and stats? Would you like to number-crunch your way around the wonders of our world? Arm yourself with nuggets of number knowledge and fantastic figures with this data-filled ebook that explores everything in our world from space to sport and animals to art. How long does it take to put on a spacesuit? How many times does a sloth poo in a week? How many stone blocks are there in the Great Pyramid at Giza? What percentage of your brain do you really use? With intriguing fact-bites and colourful graphics, Our World in Numbers is a feast of figures, includes all the info you really want to know — and more!