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판 7개, 최신 판부터
Holt, 2006, 양장(하드커버), ISBN 9780030390876
Holt Rinehart & Winston, 2005, 양장(하드커버), ISBN 9780030390739
Holt Rinehart & Winston, 2002, 양장(하드커버), ISBN 9780030661747
Holt Rinehart & Winston, 2000, ISBN 9780030520198
Holt Rinehart & Winston, 1999, 무선(페이퍼백), ISBN 9780030130793
Henry Holt & Company, 1996, ISBN 9780030031335
Holt, Rinehart and Winston, 1996, 양장(하드커버), ISBN 9780030954009