The Port of Peril
Otis Adelbert Kline
Grandon (3)
Gladiator
Philip Wylie
The Hour of the Dragon
Robert E. Howard
Conan Universe (1)
Almuric
Wings in the Night
Solomon Kane (1932)
Beyond the Thunder
H. B. Hickey
Rocket Ship Galileo
Robert A. Heinlein
Adventures in Time and Space
Raymond J. Healy & J. F. McComas
The Valley of Creation
Edmond Hamilton
The Star Kings
Star Kings (1)
A Yank at Valhalla
Zarlah the Martian
R. Norman Grisewood
The World Peril of 1910
George Griffith
The Romance of Golden Star
The Outlaws of the Air
The Passing of Ku Sui
Harry Bates & Bruce Sterling
Hawk Carse (1)
Ralph 124C 41+: A Romance of the Year 2660
Hugo Gernsback
The Red Hell of Jupiter
Paul Ernst
The Worm Ouroboros
E. R. Eddison
The Sword of Welleran and Other Stories
Lord Dunsany