Mass Market Paperback
details (USA).(see also: eBook (Kindle) · Audio Cassette)
details (UK).(see also: eBook (Kindle) · Audio Cassette)
details (Canada).(see also: Audio Cassette · eBook (Kindle) · Audio Cassette)
ISBN: 978-0-515-04143-9
ISBN-10: 0-515-04143-2
Pyramid Books · 1963