Our World in Pictures: An Encyclopedia of Everything (DK Our World in Pictures)From animals to the internet, and from pandemics to global warming, this children's encyclopedia includes everything you need to know on just about everything! Have you ever wondered what the earliest photograph ever taken was? Or what the latest Rover on Mars looks like? How about the speed of which a red kangaroo can jump? If you find yourself seeking the answers to these quirky questions and so many more, then SI Our World in Pictures Encyclopedia