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James Patterson & Michael Ledwidge
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Alexander Lazarevich
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Brian Aldiss
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Vlad Ben Avorham
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J. F. Lewis
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David Weber
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Darrell Bain & Jeanine Berry
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Keith Laumer
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Robert A. Heinlein
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Joe Haldeman
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Tao Wong
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World's Collider: A Shared-World Anthology
Richard Salter & David N. Smith
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Marion Zimmer Bradley
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Beth Revis
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Alan Weisman
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Ken Follett
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Sean Russell
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L. I. Albemont
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Thrity Umrigar
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Max Brooks
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James Hunt
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Brian M. Sammons
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David J. Normoyle
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Matt Burns
The World of Tiers, Volumes One and Two
Philip José Farmer & Boris Vallejo