Paperback
details (UK).(see also: Audible Audiobook)
details (USA).(see also: Audible Audiobook)
details (Germany).(see also: Audible Hörbuch)
details (Canada).(see also: CD-ROM · Audible Audiobook)
ISBN: 978-0-426-11674-5
ISBN-10: 0-426-11674-7
Dr Who · 1977