"Where did the moon come from? And what could be hiding on its dark side? Young readers can learn about the current mysteries surrounding the moon"--Provided by publisher.
"Could there be life on Mars? Scientists are trying to answer this and many other mysteries about our next-door planetary neighbor. This . . . title introduces young readers to the current scientific mysteries surrounding Mars"--Provided by publisher.
"How do stars form? What are they made of? Find out in this . . . title that introduces young readers to the mysteries scientists are currently exploring about stars"--Provided by publisher.
"Readers curious about space will [find out] what astronomers currently know about black holes, and will learn about some of the mysteries we have yet to solve"--Provided by publisher.
