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판 16개, 최신 판부터
HarperCollins Publishers, 2004, ISBN 9781536443837
Tandem Library, 2004, 도서관 제본, ISBN 9781417668694
HarperTrophy, 2004, 무선(페이퍼백), ISBN 9780060511142
Turtleback Books Distributed by Demco Media, 2004, Unknown Binding, ISBN 9780606306669
Scholastic Inc., 2003, ISBN 9780590537735
Rebound by Sagebrush, 1999, School & Library Binding, ISBN 9780881039122
Demco Media, 1995, ISBN 9780606082723
Scholastic Trade, 1987, ISBN 9780590433457
Scholastic, 1986, 무선(페이퍼백), ISBN 9780590409407
Scholastic, 1984, 무선(페이퍼백), ISBN 9780590333627
Mcgraw-Hill, 1982, 양장(하드커버), ISBN 9780394693125
Perfection Learning Prebound, 1981, Unknown Binding, ISBN 9780812424966
Scholastic, 1980, 무선(페이퍼백), ISBN 9780590057974
World's Work, 1978, ISBN 9780437661067
HarperCollins Publishers, 1977, ISBN 9780688840693
Greenwillow Books, 1977, ISBN 9780688800697
