Paperback
details (USA).(see also: Audible Audiobook · Audible Audiobook)
details (UK).(see also: Audible Audiobook · Audio CD · Audible Audiobook)
details (Germany).(see also: Audible Hörbuch · Audio CD · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-671-46531-5
ISBN-10: 0-671-46531-7
Pocket · 1982