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Why is the sky blue? How do astronauts breathe in space? What is a lunar eclipse? 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:
- 80 pages of informative content and answers to many popular questions
- Hundreds of labeled, full-color illustrations
- An index to key terms
- And a "More to Know" section that motivates children to explore further