Hardcover
details (United States).(see also: Audible Audiobook · eBook (Kindle) · MP3 CD)
details (UK).(see also: Audible Audiobook · eBook (Kindle) · eBook (Kindle))
details (Germany).(see also: Audible Hörbuch · MP3 CD)
details (Canada).(see also: eBook (Kindle) · MP3 CD · Audible Audiobook)
ISBN: 978-0-385-12542-0
ISBN-10: 0-385-12542-9
Doubleday · 1978