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판 7개, 최신 판부터
Random House Children's Books, 2011, ISBN 9781407097428
Penguin Group USA, Inc., 2009, Electronic resource, ISBN 9781436278874
Puffin, 2004, ISBN 9780142402443
Turtleback Books Distributed by Demco Media, 2004, Unknown Binding, ISBN 9780606327343
ACE Books, 2003, ISBN 9780441010561
David Fickling Books, Oxford, United Kingdom, 2002, 양장(하드커버), ISBN 9780385604581
Putnam Juvenile, 2002, ISBN 9780399237966