This book is part of a book series called No Backbone the World Of Invertebrates .

This book has been graded for interest at 6-8 years.

There are 24 pages in this book. This book was published 2008 by Bearport Publishing .

Molly Smith is an editor and writer of children's nonfiction, activity books, and games. She has also worked on several series of books for young-adult readers. She lives in Connecticut.