Books by Paul, Frank R. (Frank Rudolph) (sorted by popularity)
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In Caverns Below
Stanton A. Coblentz
181 downloads
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Monster of the Asteroid
Ray Cummings
174 downloads
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Through the crater's rim
A. Hyatt Verrill
173 downloads
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The Star-Master
Ray Cummings
173 downloads
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The terrors of the upper air
Frank Orndorff
166 downloads
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Cosmic Castaway
Carl Jacobi
152 downloads
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The Flame Breathers
Ray Cummings
152 downloads
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Invaders of the Forbidden Moon
Raymond Z. Gallun
150 downloads
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Ice Planet
Carl Selwyn
146 downloads
