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 4-8 years.

There are 31 pages in this book. This book was published 1997 by Perfection Learning .

HOLLY KELLER has illustrated many popular science picture books, including Growing Like Me by Anne Rockwell and Air Is All Around You by Franklyn M. Branley, as well as several previous Green Light Readers. She lives in New Haven, Connecticut.