Mass Market Paperback
details (UK).(see also: Audio Cassette · Audio CD)
details (USA).(see also: Audio Cassette)
details (Germany).(see also: Hörkassette)
details (Canada).(see also: Audio Cassette)
ISBN: 978-0-14-001602-4
ISBN-10: 0-14-001602-3
Penguin · 1980