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판 8개, 최신 판부터
Paw Prints 2009-07-10, 2009, ISBN 9781442043077
Tandem Library, 1999, School & Library Binding, ISBN 9780808593836
Perfection Learning Prebound, 1982, Unknown Binding, ISBN 9780812429121
HarperTrophy, 1980, ISBN 9780064440257
Farshore, 1967, ISBN 9780437900449
Harper & Row, 1966, ISBN 9780060204723
HarperCollins Children's Books, 1920, 양장(하드커버), ISBN 9780060204716
ISBN 9781424204991