Hardcover
details (USA).(see also: Audible Audiobook)
details (UK).(see also: Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: Audible Audiobook)
ISBN: 978-0-671-41370-5
ISBN-10: 0-671-41370-8
Simon & Schuster · 1981