Paperback
details (United States).(see also: Audible Audiobook · eBook (Kindle))
details (UK).(see also: Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Audible Hörbuch · Kindle Ausgabe)
ISBN: 978-0-590-42604-6
ISBN-10: 0-590-42604-4
Scholastic Paperbacks · 1985