This book is part of a book series called Underworlds .

This book has been graded for interest at 8-12 years.

There are 103 pages in this book. This is a chapter book. Publishers market early chapter books at readers aged 6-10 years. This book was published 2012 by Turtleback Books .

Tony Abbott is the author of the bestselling fantasy saga, "The Secrets of Droon. " He lives and writes in Connecticut. Antonio Javier Caparo has illustrated many books for children, including the Magic Thief series and The Young Reader's Shakespeare: A Midsummer Night's Dream . He lives in Montreal, Canada.