Paperback
details (United Kingdom).(see also: eBook (Kindle) · Audible Audiobook)
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-86007-933-0
ISBN-10: 0-86007-933-3
Futura Publications · 1977