Audio Cassette
details (United Kingdom).(see also: Audible Audiobook · Audible Audiobook · Audio CD)
details (USA).(see also: Audible Audiobook · Audio CD)
details (Germany).(see also: Audible Hörbuch)
details (Canada).(see also: Audible Audiobook)
ISBN: 978-0-563-41274-8
ISBN-10: 0-563-41274-7
BBC Audiobooks Ltd · 1990