Our planet Earth is AMAZING! It is the only planet in the known universe that has plants and animals - including us - living on it. WOW! We are able to live on Earth because of HOW it was formed. Our planet contains many wonders such as rivers, mountains and forests. But did you know that rivers can flow backwards? Or that the Earth isn't really round? Or that mountains can grow and shrink? Read more amazing facts about planet Earth including some that may challenge what you thought you knew. Find the science behind the facts to understand more about the world we live in. Packed with facts and supported by science, The WOW and HOW series will intrigue and entertain children aged 7+. Find the other titles in the series too: Dinosaurs, Robots and AI, Space, Transport, Weather.