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details (USA).(see also: Audible Audiobook · eBook (Kindle) · Audio Cassette)
details (United Kingdom).(see also: Audio CD · Audio Cassette · eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audio Cassette · Audible Audiobook)
ISBN: 978-0-394-90038-4
ISBN-10: 0-394-90038-3
Random House Books for Young Readers · 1965