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Odyssey is a science fiction novel by Jack Mcdevitt. It was a Nebula Award nominee for 2007. It's set in the 23rd century and "explores the immorality of big business and the short-sightedness of the American government in minimizing support for space travel."
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Omega is a book by Jack McDevitt that won the John W. Campbell Award, and was nominated for the Nebula Award in 2004. The mystery surrounding the destructive "Omega Clouds" is left unexplored until Omega.
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