A Colorful, Fact-Filled Book about our Little Blue Planet Do you know how many people it would take to circle the equator? What is the biggest desert in the world? What are the different layers of the atmosphere? Learn the answers to these questions in Earth: The Illustrated Geography of Our World! Learn alongside your child all the facts and figures about the different aspects of the beautiful planet Earth, such as: The different types of forests and treesThe layers of the e