Did you know that stars take millions of years to form?The natural world comes alive for young readers (Ages 6-7) with Rookie Read-About "RM" Science! With striking, full-color photos and just the right amount of text, this series immediately involves young readers as they discover intriguing facts about the fascinating world around them.Readers (Ages 6-7) will blast off with Rocket to learn fascinating facts like this-and more-all in the pages...