홈 / 책 찾기 / 판 고르기
판 5개, 최신 판부터
Tor Books, 2007, digital, ISBN 9781429915113
Tom Doherty Associates, 2003, ISBN 9780765308832
Baen Books, 1987, ISBN 9780312943424
Pan, 1987, ISBN 9780330299596
Baen Books, 1985, ISBN 9780671559656
