Aliens Fiction Books

Tourists to Terra

Mack Reynolds

The stop at Troy, had, as a rule, been a successful one. The Greeks and their opponents were both highly superstitious and readily accepted the presence of the aliens from space as Gods taking place i..

What Inhabits Me?

Robert Moore Williams

The military ran Pluto Station, manned it, supplied it, armed it, and used it as a base for keeping watch for mythical intruders who might come wandering into the system from the far-off seas of space..

The Barrier

Bryce Walton

Stevens guessed that the brain-boys up in some hidden bureau had an idea that sooner or later they would find somebody who could stand it, then they could make tests, find out why. Stevens had no idea..

The Third Little Green Man

Damon Knight

Davies, though, had had his first and only non-mathematical idea, and it was a good one. This is the way it added up. The World Federation argued, reasonably, that the only way to police the world eff..

Homecoming Horde

Robert Silverberg

Word was coming from the States of alien advances. New York was in Lanthaii hands, and no broadcasts were being made from there. The United Nations delegates had fled to an unnamed city and were conti..

Menace From Vega

Randall Garrett

Lawrence reached out and made a grab for the gun—but the dark man was a move ahead of him. He moved away smoothly, whirled, and brought the gun down stunningly on Jim's head. Jim threw a wild, wobbly ..

Come Into My Brain!

Robert Silverberg

The Dimellian was larger than life and twice as ugly. It was an idealized, self-glorified mental image Harrell faced. The captured Dimellian was about five feet tall, thick-shouldered, with sturdy, co..

Get Out of My Body!

Tom W. Harris

On Clinch Street, little Sally Odum was walking home from school. She turned down an alley for a shortcut, and there she saw the toy. It was a black, fringed globe, a little larger than a grapefruit. ..