Paperback
details (UK).(see also: eBook (Kindle))
details (United States).(see also: eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle))
ISBN: 978-0-85036-382-1
ISBN-10: 0-85036-382-9
The Merlin Press Ltd. · 1964