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판 5개, 최신 판부터
Thomas T Beeler, 2004, 양장(하드커버), ISBN 9781581181197
Puffin Books, 1992, ISBN 9780140360356
Perfection Learning Prebound, 1978, Unknown Binding, ISBN 9780812420111
Avon, 1976, 무선(포켓판), ISBN 9780380008094
Dutton, 1965, ISBN 9780525304296