DK 
Our World in Numbers 
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!