Paperback
details (UK).(see also: Audible Audiobook)
details (USA).(see also: Audible Audiobook)
details (Germany).(see also: Audible Hörbuch)
details (France).(see also: Livres audio Audible)
ISBN: 978-0-426-20061-1
ISBN-10: 0-426-20061-6
Dr Who · 1979