Paperback
details (UK).(see also: Audible Audiobook · eBook (Kindle))
details (United States).(see also: Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-86007-090-0
ISBN-10: 0-86007-090-5
Futura Publications · 1975