Lester del Rey

Larry Cross had all the bad luck. The sloop he was sailing around Africa was hit by an alien spaceship as it crashed into the ocean, leaving him adrift on...

He came on a mission—came from very far away on a horribly important mission. He knew that with a certainly. But what he didn't know, what he'd forgotten,...

Evolution can play strange tricks—and when playboy Lane fled society for the African jungle in the yeras before World War II, he discovered a very different...

Superstition is a dangerous thing; it's always extremely hard to fight. But nobody had ever had quite so hard a time with superstitions as these...

Life can be hard on a mining planet, even for a robot named Sam. Hazardous work conditions. Hostile natives. Humans. Sam needs a code to live by...

In the future, powerful lobbies control much of society. One of the most powerful is the medical lobby, which—following a pandemic that spread across...

He called himself Anything, the stranger dressed all in brown, when he strolled into Carlsburg. The farming community had never seen anything like him...

In a future where everyone is implanted with the same knowledge, the Dictator has created a humanity of ruthless zombies. But the one who can see the truth...

It had been nearly fifteen years since the civilian rocket field had seen more than local traffic. Now, in spite of the bustle of emergency attendants and...

Homo intelligens —intelligent man—was now the master of the world. Danny was only a left-over, the last normal man in a world of supermen, hating the fact...

As the battalions of Earth withdraw from Mars, in the fading days of an interplanetary empire, puzzles remain. The V’nothi had disappeared before the...

King was a dog who had lost his master. But where was Doc, in this ruined world that once belonged to humanity?

He came on a mission—came from very far away on a horribly important mission. He knew that with a certainly. But what he didn't know, what he'd forgotten,...

Larry Cross had all the bad luck. The sloop he was sailing around Africa was hit by an alien spaceship as it crashed into the ocean, leaving him adrift on...

"Fifth Freedom" is a classic science fiction story originally published in John W. Campbell's Astounding Science-Fiction , May 1943 issue.