Paperback
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (United Kingdom).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-486-40613-8
ISBN-10: 0-486-40613-X
Dover Publications · 1999