Books by Paul, Frank R. (Frank Rudolph) (sorted by popularity)
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Ice Planet
Carl Selwyn
39 downloads
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A voice from the inner world
A. Hyatt Verrill
39 downloads
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Invaders of the Forbidden Moon
Raymond Z. Gallun
39 downloads
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The Man Higher Up
William MacHarg and Edwin Balmer
38 downloads
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In Caverns Below
Stanton A. Coblentz
34 downloads
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Radio mates
Benjamin Witwer
31 downloads
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Monster of the Asteroid
Ray Cummings
25 downloads
