Books by Paul, Frank R. (Frank Rudolph) (sorted by popularity)
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Through the crater's rim
A. Hyatt Verrill
72 downloads
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When the moon fell
Morrison Colladay
70 downloads
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In Caverns Below
Stanton A. Coblentz
68 downloads
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Radio mates
Benjamin Witwer
68 downloads
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The Star-Master
Ray Cummings
67 downloads
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The Moon Destroyers
Monroe K. Ruch
66 downloads
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Monster of the Asteroid
Ray Cummings
61 downloads
