This book is part of a book series called Lets-Read-And-Find-Out Science-Stage 2 .

This book has been graded for interest at 5-9 years.

There are 40 pages in this book. This book was published 2008 by Turtleback Books .

Franklyn M. Branley was the originator of the Let's-Read-and-Find-Out Science series and the author of close to 150 popular books about scientific topics for young readers of all ages. He was Astronomer Emeritus and former Chairman of the American Museum of Natural History-Hayden Planetarium. Michael Rex learned to draw in Chatham, New Jersey, and studied at the School of Visual Arts in New York City. Who Digs? and Who Builds? are his first two books with HarperCollins. Mr. Rex lives in Brooklyn, New York. Franklyn M. Branley was the originator of the Let's-Read-and-Find-Out Science series and the author of close to 150 popular books about scientific topics for young readers of all ages. He was Astronomer Emeritus and former Chairman of the American Museum of Natural History-Hayden Planetarium. Megan Lloyd has illustrated more than forty books for children, including The Little Old Lady Who Was Not Afraid of Anything by Linda Williams, Thanksgiving at the Tappletons' by Eileen Spinelli, and The Mixed-Up Rooster by Pamela Duncan Edwards. She lives with her husband on a farm in Pennsylvania, where she raises sheep, chickens, and cows. Some of the rabbits from her vegetable garden have even been kind enough to allow Ms. Lloyd to sketch them as models for this book.