Hardcover 2010 Year Random House Publisher ISBN-13: 978-0-375-93885-6 ISBN-10: 0-375-93885-0 Buy on Amazon
Paperback 2011 Year Yearling Publisher ISBN-13: 978-0-375-83886-6 ISBN-10: 0-375-83886-4 Buy on Amazon
Digital Books 2010 Year Random House Publisher ISBN-13: 978-0-375-89320-9 ISBN-10: 0-375-89320-2 Not Available for Purchase