This book is part of a book series called Twice Upon a Time .

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

There are 172 pages in this book. This book was published 2012 by Turtleback Books .

Wendy Mass is the New York Times bestselling author of The Candymakers, Pi in the Sky, Every Soul a Star, Jeremy Fink and the Meaning of Life, and A Mango-Shaped Space.