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판 16개, 최신 판부터
HarperCollins Children's, 2010, ISBN 9780007341535
HarperCollins, 2010, E-book, ISBN 9780007351893
Tandem Library, 2003, School & Library Binding, ISBN 9780613708111
Turtleback Books Distributed by Demco Media, 2003, Unknown Binding, ISBN 9780606289832
Delacorte Books for Young Readers, 2003, ISBN 9780385901185
Yearling, 2003, ISBN 9780440419242
Delacorte Press, 2002, ISBN 9780385730754
Econo-Clad Books, 1999, 도서관 제본, ISBN 9780785787778
Perfection Learning Prebound, 1996, Unknown Binding, ISBN 9780780767409
Avon Books, 1989, ISBN 9780380706495
Avon, 1989, 1989, ISBN 9780006733638
Doubleday, 1988, ISBN 9780385244824
J. M. Dent, 1983, ISBN 9780460068734
Granada, 1981, ISBN 9780586304822
Granada, 1981, ISBN 9780583304825
Listening Library, 무선(페이퍼백), ISBN 9780807214930