Books by Paul, Frank R. (Frank Rudolph) (sorted alphabetically)
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Star-Master
Ray Cummings
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terrors of the upper air
Frank Orndorff
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Through the crater's rim
A. Hyatt Verrill
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Ultimate Salient
Nelson S. Bond
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voice from the inner world
A. Hyatt Verrill
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War-Nymphs of Venus
Ray Cummings
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When the moon fell
Morrison Colladay
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When the Sun went out
Leslie F. Stone
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World atavism
Edmond Hamilton
