Hardcover
details (United States).
details (Italy).(see also: Copertina rigida)
details (Spain - España).(see also: Tapa dura)
details (Japan).(see also: ハードカバー)
ISBN: 978-0-02-597430-2
ISBN-10: 0-02-597430-0
Macmillan Pub Co · 1980