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판 8개, 최신 판부터
Houghton Mifflin Harcourt Publishing Company, 2019, ISBN 9780547770543
Houghton Mifflin, 2001, ISBN 9780618164400
Tandem Library, 1999, School & Library Binding, ISBN 9780613029827
Turtleback, 1996, ISBN 9780606116077
Houghton Mifflin, 1996, ISBN 9780395828472
Penginsha, 1980, ISBN 9784892740114
Houghton Mifflin, 1952, ISBN 9780395249055
Houghton Mifflin, 1952, ISBN 9780395066799