Hardcover
details (USA).(see also: Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-688-00938-0
ISBN-10: 0-688-00938-7
Greenwillow Books · 1982