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New York: Timescape [Simon and Schuster]
[ISBN 0-671-44973-7] [hc] ($17.50), April 1982; 397 pp.
[cover: Vincent DiFate] |
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* London: Gollancz [ISBN 0-575-03121-2] [hc] (£6.95),
Jul 1982; 397 pp. [no cover art] |

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New York: Timescape [Simon and Schuster]
[book club edition published by Doubleday]
[no ISBN] [hc] ($6.50),
October 1982; 339 pp. [cover: Vincent DiFate] |
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* New York: Timescape [Pocket] [ISBN 0-671-83576-9] [pb] ($3.50), April 1983; 397 pp. [cover: Vincent DiFate] |
* New York: Timescape [Pocket] [ISBN 0-671-49615-8] [pb] ($3.95), [undated]; 397 pp. [cover: Vincent DiFate] |
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* London: Sphere [ISBN 0-7221-1945-3] [pb] (£2.25),
August 1983; 397 pp. [cover: unidentified] |
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[as Sólo un enemigo: el tiempo]
[Spanish translation by César Terrón]
Barcelona: Acervo (#55) [ISBN 84-7002-364-0] [trade pb], (1822 pta), December 1983; 480 pp. [cover: Norma-Bernal]
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[as Nur die Zeit zum Feind]
[German translation by Biggy Winter]
Munich: Heyne (#4095) [ISBN 3-453-31055-1] [pb] (DM 9.80), 1984; 415 pp. [cover: Rafael Lopez-Espi/Norma]
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[as Il tempo è il solo nemico]
[Italian translation by Roberta Rambelli]
Milan: Editrice Nord (Narrativa d'Anticipazione #43)
[no ISBN] [trade pb] (Lire 8000), June 1984; 346 pp.
[cover: Giorgio Turino; introduction by Sandro Pergameno]
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New York: Bantam Spectra [ISBN 0-553-28187-9] [pb] ($4.95), September 1989; 338 pp. [cover: John Jinks]
[Note: published as a "Spectra Special Edition"]
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* New York: Book-of-the-Month Club [no ISBN] [hc] ($14.95), July 1990; 397 pp. [cover: Bill Osborn] |
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* Norwalk CT: The Easton Press [no ISBN] [leatherbound hardcover]
(no published price), April 1991; 397 pp.
[introduction: Pamela Sargent; frontispiece: Ellen Farley] |
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[as Il tempo è il solo nemico]
[Italian translation by Roberta Rambelli]
Milan: Editrice Nord (Cosmo Argento #278)
[ISBN 8-429-0958-0] [trade pb] (Lire 22000), April 1997; 346 pp. [cover: Peter Jones]
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London: Gollancz SF (#41) [ISBN 0-575-07096-X] [trade pb] (£10.99), April 2000; 397 pp. [no cover art] |
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North Bend WA: ElectricStory.com
[ISBN 1-930815-16-6] [RocketEdition e-book] ($7.99),
[ISBN 1-930815-15-8] [Microsoft Reader e-book] ($7.99),
[ISBN 1-930815-33-6] [Mobipocket e-book] ($7.99),
July 2000; 310 pp. [cover: Jamie Bishop]
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[as Nie Masz Wroga Prócz Czasu]
[Polish translation by Zbigniew A. Krolicki]
Poznañ: Zysk i S-ka Wydawnictwo
[ISBN 83-7150-606-6] [pb] (29 zlotych),
2000; 384 pp. [cover: Dariusz Jasiczak]
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[as Solo un enemigo: el tiempo]
[Spanish translation by Ana I. Domínguez, Concepción Rodríguez, and María del Mar Rodríguez]
Madrid: Edición de Factoría de ideas (Solaris ficción #64)
[ISBN: 84-9800-148-X] [trade pb] (18,95 €),
June 2005; 327 pp.
[cover: Don Maitz]
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