Paperback
details (United States).(see also: Audio CD Library Binding · eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-698-11802-7
ISBN-10: 0-698-11802-2
Puffin Books · 1987