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판 17개, 최신 판부터
Random House Children's Books, 2013, ISBN 9781448173785
Simon Pulse, 2013, ISBN 9781481409148
Turtleback Books Distributed by Demco Media, 2003, Turtleback, ISBN 9780606331555
Tandem Library, 2003, School & Library Binding, ISBN 9781417618538
Simon & Schuster Books for Young Readers, 2003, ISBN 9780689855061
Simon Pulse, 2003, ISBN 9780689856693
G.K. Hall, 2001, ISBN 9780783892894
Tandem Library, 1999, School & Library Binding, ISBN 9780881032611
Aladdin Paperbacks, 1999, ISBN 9780020427216
MacMillan Publishing Company, 1990, 양장(하드커버), ISBN 9780745111766
Demco Media, 1988, ISBN 9780606043601
Macmillan Publishing Company, 1985, 무선(페이퍼백), ISBN 9780020427209
Puffin, 1984, ISBN 9780140316865
Kestrel, 1984, ISBN 9780722659151
Beaver Books, 1977, 무선(페이퍼백), ISBN 9780600371342
Longman, 1975, 무선(페이퍼백), ISBN 9780582537897
Hutchinson, 1974, ISBN 9780091188009
