Science fiction

H. Beam Piper

The Return

Ward Moore

Greener Than You Think

Joseph E. Kelleam

Hunters Out of Space

H. Beam Piper

Uller Uprising

Edward M. Forster

The Machine Stops

Harry Bates, Editor

Astounding Stories of Super-Science, September 1930

Harry Harrison

The Ethical Engineer

H. Beam Piper

Four-Day Planet

Edgar Rice Burroughs

Out of Time's Abyss

Charles L. Fontenay

Rebels of the Red Planet

John Jacob Astor IV

A Journey in Other Worlds: A Romance of the Future

Stanley Grauman Weinbaum

Works of Stanley G. Weinbaum - A Martian Odyssey

Keith Laumer

Greylorn

H. Beam Piper

Oomphel in the Sky

Jack London

The Iron Heel

Samuel Butler

Erewhon

Andre Norton

Storm Over Warlock

Robert Silverberg

Starman's Quest

Garrett P. Serviss

Edison's Conquest of Mars

H. Beam Piper and John J. McGuire

Lone Star Planet

Edward Bellamy

Looking Backward: 2000-1887

Edwin L. Arnold

Gulliver of Mars

Poul Anderson

Security

E. E. Smith

Spacehounds of IPC