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판 17개, 최신 판부터
Houghton Mifflin Harcourt Publishing Company, 2011, ISBN 9780547406336
Houghton Mifflin Harcourt Publishing Company, 2011, ISBN 9780547349763
Tandem Library, 1999, School & Library Binding, ISBN 9780881038804
Yearling, 1998, ISBN 9780440228172
Houghton Mifflin Co., 1997, ISBN 9780395789308
Demco Media, 1996, ISBN 9780606012799
Bantam Doubleday Dell Publishing Group, 1996, 무선(페이퍼백), ISBN 9780440911159
Tandem Library, 1995, School & Library Binding, ISBN 9780613956147
Laurel Leaf, 1995, ISBN 9780440219569
Bantam Doubleday Dell Books for Young Readers, 1995, ISBN 9780440410010
Bantam Doubleday Dell Publishing Group, 1994, ISBN 9780440910176
Alfaguara, 1987, 무선(페이퍼백), ISBN 9788420459998
Lectorum Pubns Inc (J), 1984, 무선(페이퍼백), ISBN 9788420436340
Perfection Learning Prebound, 1979, Unknown Binding, ISBN 9780812421972
Laurel Leaf, 1978, ISBN 9780440999041
Oxford University Press, 1977, ISBN 9780192714022
Houghton Mifflin, 1976, 양장(하드커버), ISBN 9780395243930