Hardcover 2009 Year Turtleback Books Publisher ISBN-13: 978-0-606-14600-5 ISBN-10: 0-606-14600-8 Buy on Amazon
Paperback 2015 Year Walker Books (UK) Publisher ISBN-13: 978-1-4063-6168-1 ISBN-10: 1-4063-6168-2 Buy on Amazon
Digital Books 2011 Year Walker Books (UK) Publisher ISBN-13: 978-1-4063-3674-0 ISBN-10: 1-4063-3674-2 Not Available for Purchase
Paperback 2015 Year Walker Books (UK) Publisher ISBN-13: 978-1-4063-6472-9 ISBN-10: 1-4063-6472-X Buy on Amazon