The Infra-Medians
Sewell Peaslee Wright
The Planetoid of Peril
Paul Ernst
Raiders Invisible
E. V. Lucas & Desmond W. Hall
The Rat Racket
David H. Keller
Spawn of the Comet
H. Thompson Rich
Hawk Carse
Harry Bates & Desmond W. Hall
Hawk Carse (1)
The Terror from the Depths
John Hanson (1)
The Red Hell of Jupiter
In the Orbit of Saturn
R. F. Starzl
The Heads of Apex
Francis Flagg & David Baldwin
The Solar Magnet
S. P. Meek
Doctor Bird and Operative Carnes (1)
The Sargasso of Space
Edmond Hamilton
Devil Crystals of Arret
Hal K. Wells
The God in the Box
Brood of the Dark Moon
Charles Willard Diffin
Walter Harkness (1)
Spacehounds of IPC
Edward E. Smith & David A. Kyle
The Doom from Planet 4
Jack Williamson
The Jameson Satellite & The Planet of the Double Sun
Neil R. Jones
Professor Jameson (1)
The Jameson Satellite
Monsters of Mars