This book is part of a book series called Science News For Kids .

This book was published by Chelsea House Publications .

Tara Koellhoffer earned a degree in political science and history from Rutgers University. She is a freelance writer and editor with more than 10 years of experience working on nonfiction books, covering topics ranging from social studies and biography to health and science. She has edited hundreds of books and teaching materials, including Chelsea House's Science News for Kids series.