Hardcover
details (USA).(see also: eBook (Kindle) · Audio CD · Audible Audiobook)
details (UK).(see also: eBook (Kindle) · Audio CD · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audio CD · Audible Audiobook)
ISBN: 978-0-590-75818-5
ISBN-10: 0-590-75818-7
Scholastic Inc · 1969