Hardcover 1980 Year Gollancz Publisher ISBN-13: 978-0-575-02761-9 ISBN-10: 0-575-02761-4 Buy on Amazon
Paperback 1984 Year Panther / Granada Publisher ISBN-13: 978-0-586-05159-7 ISBN-10: 0-586-05159-7 Buy on Amazon
Digital Books 2017 Year Gateway / Orion Publisher ISBN-13: 978-1-4732-0589-5 ISBN-10: 1-4732-0589-1 Not Available for Purchase
Hardcover 2016 Year The Library of America Publisher ISBN-13: 978-1-59853-493-1 ISBN-10: 1-59853-493-9 Buy on Amazon
Paperback 2017 Year Gollancz Publisher ISBN-13: 978-1-4732-1206-0 ISBN-10: 1-4732-1206-5 Buy on Amazon