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판 6개, 최신 판부터
Bantam Doubleday Dell Books for Young Readers, 1999, ISBN 9780440228479
Tandem Library, 1999, School & Library Binding, ISBN 9780881035117
Simon Pulse, 1995, 무선(페이퍼백), ISBN 9780671726492
MacMillan, 1994, ISBN 9780330328432
Pocket Books, 1981, 무선(포켓판), ISBN 9780671656805
Pocket Books, 1972, ISBN 9780671439323