This book is part of a book series called Rookie Read-About Math .

This book has been graded for interest at 4-8 years. This book is part of a reading scheme, meaning that it is a book aimed at children who are learning to read.

There are 31 pages in this book. This book was published 2007 by Children's Press(CT) .

Melissa Stewart is an award-winning author of more than 100 science books for children.