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판 7개, 최신 판부터
Connections, 2000, 양장(하드커버), ISBN 9781859060421
Bookpoint, 1993, 양장(하드커버), ISBN 9780747208969
St. Martin's Press, 1993, ISBN 9780312097585
St. Martin's Press, 1987, ISBN 9780312007294
St. Martin's Press, 1984, ISBN 9780312089993
St. Martin's Press, 1983, ISBN 9780312090012
Oracle Books, 1982, ISBN 9780943434001