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판 13개, 최신 판부터
Independently Published, 2021, ISBN 9798714751103
Liese. Outside The Box, Andreas, 2020, ISBN 9783968650708
e-artnow, 2020, 무선(페이퍼백), ISBN 9788027309276
CreateSpace Independent Publishing Platform, 2018, ISBN 9781724274397
CreateSpace Independent Publishing Platform, 2018, ISBN 9781722932916
CreateSpace Independent Publishing Platform, 2018, 무선(페이퍼백), ISBN 9781983577673
CreateSpace Independent Publishing Platform, 2017, ISBN 9781548593803
Baen, 1990, 무선(페이퍼백), ISBN 9780671720124
Baen Books, 1985, 무선(페이퍼백), ISBN 9780671559892
Penguin SF, 1979, 무선(페이퍼백), ISBN 9780140026337
Bantam Books, 1977, 무선(페이퍼백), ISBN 9780553029833
Ballantine Books, 1969, 무선(페이퍼백), ISBN 9780345216601
Pocket Books, 1920, 양장(하드커버), ISBN 9780317380279