Hardcover
details (UK).(see also: eBook (Kindle) · Audible Audiobook)
details (United States).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-246-63978-3
ISBN-10: 0-246-63978-4
HarperCollins Distribution Services · 1970