Earth

Did you know that Earth is the only known planet to have oceans of water? It is sometimes called the Blue Planet. Find out more in Earth, a Planets book. Thisis an AV2 media enhanced book. A unique book code printed on page 2 unlocks multimedia content. This book comes alive with embedded weblinks, audio andvideo clips, activities, and other features, such as a slide show, matching word activity, and quiz.