Books by Paul, Frank R. (Frank Rudolph) (sorted by popularity)
- The War-Nymphs of Venus Ray Cummings 38 downloads
- The Ultimate Salient Nelson S. Bond 36 downloads
- Rhythm rides the rocket Bob Olsen 34 downloads
- Invaders of the Forbidden Moon Raymond Z. Gallun 33 downloads
- The Star-Master Ray Cummings 32 downloads
- Monster of the Asteroid Ray Cummings 30 downloads
- Radio mates Benjamin Witwer 18 downloads