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판 18개, 최신 판부터
Random House Publishing Group, 2015, ISBN 9781484455029
Random House Children's Books, 2013, ISBN 9780385372299
Random House Children's Books, 2010, ISBN 9780440461265
Paw Prints 2009-04-09, 2009, ISBN 9781439549056
Listening Library, 2006, 양장(하드커버), ISBN 9780307256171
Sopris West, 2004, ISBN 9781593187262
Listening Library (Audio), 2003, Audio cassette, ISBN 9780807219331
Delacorte Books for Young Readers, 2002, ISBN 9780385730174
Delacorte Books for Young Readers, 2002, ISBN 9780385900683
Tandem Library, 1999, School & Library Binding, ISBN 9780808537502
Random House Books for Young Readers, 1999, ISBN 9780375806049
G.P. Putnam's Sons, 1997, ISBN 9780399232398
Coward McCann, 1992, 무선(페이퍼백), ISBN 9780698202184
Scholastic Young Hippo, 1989, 무선(페이퍼백), ISBN 9780590762151
Putnam Juvenile, 1986, 양장(하드커버), ISBN 9780698206274
Dai Nihon Tosho, 1982, ISBN 9784477162119
Perfection Learning Prebound, 1982, Unknown Binding, ISBN 9780812429954
World's Work, 1974, ISBN 9780437742018