This book is part of a book series called Green Light Readers-Level 3 .

This book has been graded for interest at 4-8 years.

There are 44 pages in this book. This book was published 2012 by Turtleback Books .

MARGARET BLACKSTONE writes books about science as well as picture books. She lives in New York City. ELISSA HADEN GUEST is the author of the Iris and Walter easy reader series. She lives in San Francisco, California. Christine Davenier lives in Paris. She has also illustrated the Very Fairy Princess books by the actress Julie Andrews and her daughter Emma Walton Hamilton.