Wyvernhail
Amelia Atwater-Rhodes
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Wyvernhold
L. Sprague de Camp
The X Factor
Andre Norton
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The X-Gas
Cyril Plunkett
The X-President
Philip Baruth
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Diane Duane
X-Country
Robert Reed
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Stephen King & Chris Carter
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Ground Zero
Kevin J. Anderson
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X-Isle
Steve Augarde
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X-Men 2
Chris Claremont
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Stan Lee
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Dark Mirror
Marjorie M. Liu
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X-Men: Planet X
Michael Jan Friedman
Star Trek: The Next Generation (22)
The Chaos Engine Trilogy
Steven A. Roman
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X-Men: The Last Stand
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X-Rated Bloodsuckers
Mario Acevedo
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Starfighters of Adumar
Aaron Allston
Star Wars: X-Wing (9)