Paperback
details (UK).(see also: Audible Audiobook · Audible Audiobook · Audible Audiobook)
details (United States).(see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle) · eBook (Kindle))
details (Germany).(see also: Audio CD · Audible Hörbuch · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle) · eBook (Kindle))
ISBN: 978-0-14-010897-2
ISBN-10: 0-14-010897-1
Penguin · 1989