Books by Paul, Frank R. (Frank Rudolph) (sorted by popularity)
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Invaders of the Forbidden Moon Raymond Z. Gallun 141 downloads
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Through the crater's rim A. Hyatt Verrill 139 downloads
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The Man Higher Up William MacHarg and Edwin Balmer 139 downloads
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The Star-Master Ray Cummings 127 downloads
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The Coming of the Ice Green Peyton 123 downloads
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The Ultimate Salient Nelson S. Bond 117 downloads
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Ice Planet Carl Selwyn 110 downloads
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Radio mates Benjamin Witwer 89 downloads
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The terrors of the upper air Frank Orndorff 75 downloads