Hardcover
details (USA).(see also: eBook (Kindle))
details (United Kingdom).(see also: eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle))
ISBN: 978-0-394-88417-2
ISBN-10: 0-394-88417-5
Knopf Books for Young Readers · 1986