Paperback 1993 Year Ace Books Publisher ISBN-13: 978-0-441-03342-3 ISBN-10: 0-441-03342-3 Buy on Amazon
Hardcover 2003 Year Ace Books / SFBC Publisher ISBN-13: 978-0-7394-3386-7 ISBN-10: 0-7394-3386-5 Buy on Amazon
Paperback 2003 Year Ace Books Publisher ISBN-13: 978-0-441-01010-3 ISBN-10: 0-441-01010-5 Buy on Amazon