Richard Kilmer

Operation Interstellar

George O. Smith

The Girl in the Golden Atom

Ray Cummings

The Financier

Theodore Dreiser

The Valley of the Moon

Jack London

The Garden of Eden

Max Brand

A Story of the Stone Age

H.G. Wells

The Man Who Fell Through the Earth

Carolyn Wells

A Story of the Days To Come

H.G. Wells

The Forgotten Planet

Murray Leinster

Skylark Three

Edward E. Smith

The Titan

Theodore Dreiser

Jennie Gerhardt

Theodore Dreiser

The Vanished Messenger

E. Phillips Oppenheim

Jacob's Ladder

E. Phillips Oppenheim

The Evil Shepherd

E. Phillips Oppenheim

The Box with the Broken Seals

E. Phillips Oppenheim

The Black Box

E. Phillips Oppenheim

Tales of Space and Time

H.G. Wells

The Captain of the Polestar, and other tales

Sir Arthur Conan Doyle

The Rangeland Avenger

Max Brand

Way of the Lawless

Max Brand

Riders of the Silences

Max Brand

Gunman's Reckoning

Max Brand

Alcatraz

Max Brand

Bull Hunter

Max Brand

Black Jack

Max Brand

The Night Horseman

Max Brand

The Untamed

Max Brand

Two Thousand Miles Below

Charles W. Diffin

Supermind

Randall Garrett, Laurence M. Janifer, Mark Phillips

Jetta of the Lowlands

Ray Cummings

The Skylark of Space

Lee Hawkins Garby, Edward E. Smith

Burning Daylight

Jack London

The Opal Serpent

Fergus Hume

First on the Moon

Jeff Sutton

The Moon Master

Charles W. Diffin