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판 11개, 최신 판부터
Candlewick Press, 2014, ISBN 9780763672225
Candlewick Press, 2002, ISBN 9780763618131
Walker, 2002, ISBN 9780744596304
Kaleidoscope, 1996, 양장(하드커버), ISBN 9782877671125
Little Mammoth, 1989, ISBN 9780749701352
Dragonfly Books, 1989, ISBN 9780394822259
Cymdeithas Lyfrau Ceredigion, 1987, ISBN 9780948930058
Franklin Watts, 1986, 도서관 제본, ISBN 9780531046098
Methuen Children's Books, 1985, ISBN 9780416524604
Knopf, 1983, ISBN 9780394875255
ISBN 9789681636500