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Where is planet Earth—and how big is it? Does the ground move under our feet? What would we find if we dug down all the way to the Earth's core? And why is the sky blue? Children will discover the answers to these and other must-know questions about our amazing planet.
Mary Kay Carson is an award-winning children's nonfiction author. She has written more than 40 books for kids about wildlife, space, weather, nature, and history, including Sterling Biographies: Alexander Graham Bell: Giving Voice to the World as well as The Underground Railroad for Kids and The Wright Brothers for Kids (both Chicago Review Press). Mary Kay also gives presentations at schools about writing and her books. She lives in Cincinnati, OH. For more information go to: marykaycarson.com.