Paperback
details (UK).(see also: Audible Audiobook · eBook (Kindle))
details (USA).(see also: Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe)
details (Japan).(see also: Audible版)
ISBN: 978-0-583-12091-3
ISBN-10: 0-583-12091-1
Grafton · 1972