Hardcover
details (USA).(see also: eBook (Kindle) · Audio Cassette · Audible Audiobook)
details (UK).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-670-58933-3
ISBN-10: 0-670-58933-0
Viking Press · 1976