Hardcover
details (United Kingdom).(see also: eBook (Kindle))
details (United States).(see also: Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-370-02035-8
ISBN-10: 0-370-02035-9
Bodley Head Children's Books · 1975