This book has been graded for interest at 5-8 years.

There are 32 pages in this book. This book was published 2010 by Perfection Learning .

Mike Lester is a children's book writer, illustrator, cartoonist, and animator. His work has been recognized by notable publications such as the New York Times . A father of two, he lives with his wife, Regan, and their dog and cat in a castle with a moat full of unicorns. 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.