image of Robert Silverberg

Robert Silverberg

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Roma Eterna is a 2003 novel by Robert Silverberg which presents an alternative history in which the Roman Empire survives to the present day.

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Collision Course is a novel by science fiction author Robert Silverberg first published in hardcover in 1961 by Avalon Books and reprinted in paperback as an Ace Double later that year. Ace reissued it as a stand-alone volume in 1977 and 1982; a Tor paperback appeared in 1988. An Italian translation was also published …

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