Check out the moon-in all its phases-in this new Level 4 Penguin-Smithsonian nonfiction reader.
There are myths about it. Men have landed on it. Just about everybody has gazed at it in wonder. But what is the moon? Where did it come from? What's it made of? Find out in this lively reader about the celestial body that's so familiar and yet so mysterious.

James Buckley has written more than 100 books for children, including Home Address: ISS, The International Space Station, for the Penguin Young Readers Smithsonian line. He lives in Santa Barbara, California.