When did dinosaurs roam the earth? How are dinosaur bones put together? What are fossils, and how do they teach us about the prehistoric world? The Do You Know?™ books provide an in-depth look at a wide range of popular subjects. Appealing to children who want to know everything, each thought-provoking book features

• 96 pages filled with informative content and answers to many popular questions
• Hundreds of labeled illustrations
• An index to key terms
• And a "More to Know" section that motivates children to explore further