Books by Paul, Frank R. (Frank Rudolph) (sorted by popularity)
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Monster of the Asteroid Ray Cummings 112 downloads
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The Man Higher Up William MacHarg and Edwin Balmer 110 downloads
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Outpost on Io Leigh Brackett 107 downloads
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The Moon Destroyers Monroe K. Ruch 107 downloads
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The Star-Master Ray Cummings 103 downloads
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Cosmic Castaway Carl Jacobi 100 downloads
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Ice Planet Carl Selwyn 98 downloads
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Radio mates Benjamin Witwer 95 downloads