Public Domain

Flight From Tomorrow

by Henry Beam Piper

Hunted and hated in two worlds, Hradzka dreamed of a monomaniac's glory, stranded in the past with his knowledge of the future. But he didn't know the past quite well enough....

Last Enemy

by Henry Beam Piper

The last enemy was the toughest of all--and conquering him was in itself almost as dangerous as not conquering. For a strange pattern of beliefs can make assassination an honorable profession!

The Mercenaries

by Henry Beam Piper

Once, wars were won by maneuvering hired fighting men; now wars are different--and the hired experts are different. But the human problems remain!

A Man Divided

by William Olaf Stapledon

Rebel Raider

by Henry Beam Piper