Paperback
details (USA).(see also: Audible Audiobook · eBook (Kindle))
details (UK).(see also: Audible Audiobook · Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Audible Hörbuch · Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: Audible Audiobook · Audible Audiobook · eBook (Kindle))
ISBN: 978-0-02-411500-3
ISBN-10: 0-02-411500-2
Macmillan Pub Co · 1976