This book is part of a book series called Science Solves It .

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

This book was published 2003 by Turtleback Books .

Boni Ashburn is a mother of twins and the bestselling author of I Had a Favorite Dress, The Fort That Jack Built, Hush, Little Dragon, and Over at the Castle. She lives in Houghton, MI. Visit her online at www. boniashburn. com. John Nez has illustrated over 60 books for young readers, from picture books to historical folk tales. At the Parsons School of Design, John studied with Maurice Sendak. He now lives in Seattle with his family and a self-important cat who appears in many of his books. johnnez. com Gail Herman has written several young biographies for children, including Who Was Jackie Robinson?