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판 6개, 최신 판부터
Turtleback Books Distributed by Demco Media, 2001, Unknown Binding, ISBN 9780606225939
Houghton Mifflin, 2001, ISBN 9780618150748
Houghton Mifflin, 2001, ISBN 9780618177370
Tandem Library, 2001, School & Library Binding, ISBN 9780613355681
Puffin Books, 1992, ISBN 9780140349115
Houghton Mifflin (Juv), 1948, 양장(하드커버), ISBN 9780395070338
