Mass Market Paperback
details (United States).(see also: eBook (Kindle) · Audible Audiobook)
details (UK).(see also: eBook (Kindle) · Audible Audiobook)
details (Canada).(see also: eBook (Kindle) · eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-345-22991-5
ISBN-10: 0-345-22991-6
Ballantine Books · 1972