Paperback
details (UK).(see also: Audible Audiobook · eBook (Kindle))
details (USA).(see also: Audible Audiobook)
details (Germany).(see also: Audible Hörbuch · Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: Audible Audiobook · Audible Audiobook)
ISBN: 978-0-00-612291-3
ISBN-10: 0-00-612291-4
HarperCollins Distribution Services · 1961