This is book 5 in Underland Chronicles .

This book has been graded for interest at 9-12 years.

There are 7 pages in this book. This book was published 2008 by Listening Library .

Suzanne Collins lives in New York City with her family. She has had a successful and prolific career writing for children's television. Gregor and the Rats of Underland is her first book for children.