Hardcover 2013 Year Harper Voyager / SFBC Publisher ISBN-13: 978-1-62490-351-9 ISBN-10: 1-62490-351-7 Buy on Amazon
Paperback 2012 Year Harper Voyager Publisher ISBN-13: 978-0-06-204875-2 ISBN-10: 0-06-204875-9 Buy on Amazon
Digital Books 2012 Year Harper Voyager Publisher ISBN-13: 978-0-06-204877-6 ISBN-10: 0-06-204877-5 Not Available for Purchase