What is Earth's surface made of? Which natural resources are renewable? Why isn't it the same time everywhere? The Do You Know?™ series provides in-depth looks at a wide range of popular subjects. Appealing to children who want to know everything, each thought-provoking book features:
• 96 pages of engaging and educational answers to many popular questions
• Hundreds of labeled full-color illustrations
• An index to key terms
• Ages 5 to 9
