Defenders of the Frontier
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Overview:
- Title: Defenders of the Frontier
- Author: Robert Silverberg
- Year: 2010
- Type: Short Fiction
Variant Titles:
Editions/Publications:
- Unknown. Warriors (Unknown, Robert Silverberg, Tor, ISBN-10: 9780765320483, $27.99, 736 pages, Hardcover, Anthology)
- Unknown. Warriors (Unknown, Robert Silverberg, Tor / SFBC, ISBN-10: 9780765320483, $16.49, 736 pages, Hardcover, Anthology)
- Unknown. Warriors 1 (Unknown, Robert Silverberg, Tor, ISBN-10: 9780765360267, $7.99, xviii+394 pages, Paperback, Anthology)
- Unknown. Warriors (Unknown, Robert Silverberg, Tor, ISBN-10: 9780765320483, $14.99, ebook, Anthology)
- 2010 . Warriors (2010, Robert Silverberg, Tor, ISBN-10: 9781429961288, $9.99, pages, ebook, Anthology)
- 2011 . Warriors (2011, Robert Silverberg, Brilliance Audio, ISBN-10: 9781455804849, pages, digital audio download, Anthology)
- 2012 . The Best of Robert Silverberg: Stories of Six Decades (2012, Robert Silverberg, Subterranean Press, ISBN-10: 9781596064720, $24.95, 722 pages, Trade Paperback, Collection)
- 2013 . Warriors (2013, Robert Silverberg, Tor, ISBN-10: 9780765334770, $16.99, 736 pages, Trade Paperback, Anthology)
- 2014 . The Millennium Express: 1995-2009 (2014, Robert Silverberg, Subterranean Press, ISBN-10: 9781596066557, $2.99, ebook, Collection)
- 2014 . The Collected Stories of Robert Silverberg, Volume Nine: The Millennium Express: 1995-2009 (2014, Robert Silverberg, Subterranean Press, ISBN-10: 9781596066687, $35.00, 481 pages, Hardcover, Collection)
- 2014 . The Millenium Express (2014, Robert Silverberg, Gateway / Orion, ISBN-10: 9780575106727, £4.99, ebook, Collection)
- 2015 . The Collected Stories of Robert Silverberg, Volume Nine: The Millennium Express: 1995-2009 (2015, Robert Silverberg, Subterranean Press, ISBN-10: 9781596067653, $18.95, 481 pages, Hardcover, Collection)
- 2019 . Needle in a Timestack and Other Stories (2019, Robert Silverberg, Open Road Integrated Media, ISBN-10: 9781504058667, $9.99, pages, ebook, Collection)
- 2021 . Needle in a Timestack (2021, Robert Silverberg, Gollancz / Orion, ISBN-10: 9781473229204, £10.99, ix+579 pages, Trade Paperback, Collection)
- 2021 . Needle in a Timestack (2021, Robert Silverberg, Gollancz / Orion, ISBN-10: 9781473229211, £10.99, ebook, Collection)