Travelling at speeds close to that of light, spacemen lived at an accelerated pace. When one of the twin boys left the starship, he grew older while his twin in space barely aged. So the starship twin left the ship to find what happened to his brother who was aging away on earth.

Why did everybody step off the ship in this strange valley and promptly drop dead? How could a well-equipped corps of tough spacemen become a field of rotting skeletons in this quiet world of peace and contentment? It was a mystery Peter and Sherri had to solve. If they could live long enough! [from the Judas Valley]Originally published in Amazing Stories, October 1956

Here are two early stories by the well known SF Author Robert Silverberg. The Happy Unfortunate was published first in Amazing Stories in 1957 and explores the angst caused when the human race reaches into space but at the cost of needing to breed a new species; specialized 'spacers' who can withstand the tremendous rigors of acceleration. The Hunted Heroes was published in Amazing stories a year earlier, in 1956. It is a futuristic story that holds great hope for the resilience of the human race after the war destroys most of the world.

Do remember reading a panic-mongering news story a while back about genetically engineered “Frankengrass” “escaping” from the golf course where it had been planted? That news story was foreshadowed decades previously in the form of prophetic fiction wherein a pushy salesman, a cash-strapped scientist, and a clump of crabgrass accidentally merge forces with apocalyptic consequences. A triple-genre combo of science fiction, horror, and satire, Greener Than You Think is a forgotten classic that resonates beautifully with modern times. This is a faithful reading of a 1947 first edition text.

Originally published in the May, 1960 issue of Amazing Science Fiction Stories. Jack Odin has returned to the world of Opal, the world inside our own world, only to find it in ruins. Many of his friends are gone, the world is flooded, and the woman he swore to protect has been taken by Grim Hagen to the stars. Jack must save her, but the difficulties are great and his allies are few.

John Endlich needed to clean up his act. Gambling, drinking, a hot temper and wanderlust were the last things Rose and the kids needed. So he went to the Homesteaders Office and signed up to terraform Vesta, a chunk of a once thriving alien planet that had exploded from within; a flat lump of crust which was now the remains of a farm on one side and a mining operation on the other. The miners hated Endlich and sabotaged his plans at every opportunity. They were going to kill him and his family if he didn’t find a way to stop them. - Asteroid of Fear was first published in the March, 1951 edition of Planet Stories magazine.

The Planet Strappers started out as The Bunch, a group of student-astronauts in the back room of a store in Jarviston, Minnesota. They wanted off Earth, and they begged, borrowed and built what they needed to make it. They got what they wanted--a start on the road to the stars--but no one brought up on Earth could have imagined what was waiting for them Out There!

When an alien spacecraft crashes in Missouri a team of army investigators is dispatched. Among the debris they find a Martian infant and decide to raise him in their lab. Is he too strange to form a relationship with humans? Maybe, but he does have cute eye-stalks. – Stamped Caution was first published in the August 1953 issue of Galaxy magazine.

Stanley G. Weinbaum is best known for his short story “A Martian Odyssey” which has been influencing Science Fiction since it was first published in 1934. Weinbaum is considered the first writer to contrive an alien who thought as well as a human, but not like a human. A Martian Odyssey and its sequel are presented here as well as other Weinbaum gems including 3 stories featuring the egomaniacal physicist Haskel van Manderpootz and his former student, playboy Dixon Wells.

A Journey in Other Worlds: A Romance of the Future is a science fiction novel by John Jacob Astor IV, published in 1894. The book offers a fictional account of life in the year 2000. It contains abundant speculation about technological invention, including descriptions of a world-wide telephone network, solar power, air travel, space travel to the planets Saturn and Jupiter, and terraforming engineering projects — damming the Arctic Ocean, and adjusting the Earth’s axial tilt (by the Terrestrial Axis Straightening Company)...

Dark Kensington had been dead for twenty-five years. It was a fact; everyone knew it. Then suddenly he reappeared, youthful, brilliant, ready to take over the Phoenix, the rebel group that worked to overthrow the tyranny that gripped the settlers on Mars.The Phoenix had been destroyed not once, not twice, but three times! But this time the resurrected Dark had new plans, plans which involved dangerous experiments in mutation and psionics.And now the rebels realized they were in double jeopardy....

Looking Backward: 2000-1887 is a utopian novel by Edward Bellamy, first published in 1888. It was the third largest bestseller of its time, after Uncle Tom’s Cabin and Ben-Hur: A Tale of the Christ.The book tells the story of Julian West, a young American who, towards the end of the 19th century, falls into a deep, hypnosis-induced sleep and wakes up more than a century later. He finds himself in the same location (Boston, Massachusetts) but in a totally changed world: It is the year 2000 and, while he was sleeping, the U...

This is a collection of short science fiction stories by various writers, circa 1930. Writers include Paul Ernst, Miles Breuer, Ray Cummings, Sewell Wright, and others.

This escapist novel, first published in 1905 as Lieutenant Gullivar Jones: His Vacation, follows the exploits of American Navy Lieutenant Gulliver Jones, a bold, if slightly hapless, hero who is magically transported to Mars; where he almost outwits his enemies, almost gets the girl, and almost saves the day. Somewhat of a literary and chronological bridge between H.G. Wells and Edgar Rice Burroughs, Jones’ adventures provide an evocative mix of satire and sword-and-planet adventure.

New Texas: its citizens figure that name about says it all. The Solar League ambassador to the Lone Star Planet has the unenviable task of convincing New Texans that a s’Srauff attack is imminent, and dangerous. Unfortunately it’s common knowledge that the s’Srauff are evolved from canine ancestors—and not a Texan alive is about to be scared of a talking dog! But unless he can get them to act, and fast, there won’t be a Texan alive, scared or otherwise!

Every status-quo-caste society in history has left open two roads to rise above your caste: The Priest and The Warrior. But in a society of TV and tranquilizers--the Warrior acquires a strange new meaning... (Introduction from the Gutenberg text)

Ronny Bronston has dreamed all his life of getting a United Planets job that would take him off-world. He finally gets the opportunity when he is given a provisional assignment with Bureau of Investigation, Section G. But will he be able to complete his assignment and find the elusive Tommy Paine?

Larry Woolford is a government agent, tasked with investigating subversive activity. He does everything an ambitious young man should do if he wants to succeed: wear the right clothes, listen to the right music, even drink vodka martinis. Then he stumbles across a conspiracy of Weirds plotting to overthow the entire existing social order. It's a race against time. Can he stop their fiendish plan, and keep America safe for shallow judgements based on status symbols? Status Quo was nominated for the 1962 Hugo Award for short fiction.

An atomic bomb explodes in the mountains of Montana. But was there really a bomb? And was it really in Montana, or in Tokyo? Are Liz and Elizabeth the same woman, is she married with children, is her husband a spy?

Edmond Hamilton (1904 – 1977) had a career that began as a regular and frequent contributor to Weird Tales magazine. The first hardcover publication of Science Fiction stories was a Hamilton compilation, and he and E.E. “Doc” Smith are credited with the creation of the Space Opera type of story. He worked for DC Comics authoring many stories for their Superman and Batman characters. Hamilton was also married to fellow author Leigh Brackett. – Published in the May, 1962 issue of Amazing Stories “The Stars, My Brothers” gives us a re-animated astronaut plucked from a century in the past and presented with an alien world where the line between humans and animals is blurred.

Will Barrent awakes without memories just before being deposited on Omega, a planet for criminals where the average life expectancy is 3 years. He’s listed as a murderer and released into the illicit society as a “peon” the lowest class imaginable. A mysterious girl gives him a weapon that starts him on his path to status, a path that requires constant brutality. But it must be borne if our hero is to discover the reason for his imprisonment; A reason that pits him against himself, and involves the sardonically similar but devoutly different creeds of Omega and Earth...

3 Robert Sheckley short stories that demonstrate the breathof his fantastic imagination. In Watchbird, the question "can machines solve human problems?" is answered with a resounding YES! But there may be a few unforeseen glitches. Just a few. Warrior Race drops us into an alien race of warriors who fight in a way you will never be able to imagine until you listen. And Beside Still Waters is a gentle story that shows us a man who really wants to get away from it all ... sitting on a rock in the asteroid belt with only a robot for a friend. No girls allowed! A poignant and unsettling story to say the least.

The Dueling Machine is the solution to settling disputes without injury. After you and your opponent select weapons and environments you are injected into an artificial reality where you fight to the virtual death… but no one actually gets hurt. That is, until a warrior from the Kerak Empire figures a way to execute real-world killings from within the machine. Now its inventor Dr. Leoh has to prevent his machine from becoming a tool of conquest. – The Dueling Machine, written with Myron R. Lewis, first appeared in the May, 1963 issue of Analog Science Fact & Fiction.

Triplanetary was first serialized in Amazing Stories in 1934. After the Lensman series became popular, Smith took his Triplanetary story and turned it into the first of the Lensman series, using it as a prequel to give the back story for the protaganists in the Lensmen series. He added 6 new chapters, doubling it in size and it's really a different book from the serialized novel, being published 14 years after the first. It was put into Gutenberg just last year. The novel covers several episodes in an eons-long eugenics project of the super-intelligences of the Arisia...

A team of space travelers are caught in a subspace accident which, up to now, no one has ever survived. But some of the survivors of the Procyon are not ordinary travelers. Their psi abilities allow them to see things before they happen. But will it be enough?Smith's story "Subspace Survivors" first appeared in the July 1960 issue of the magazine Astounding.

They were four of the greatest minds in the Universe: Two men, two women, lost in an experimental spaceship billions of parsecs from home. And as they mentally charted the Cosmos to find their way back to earth, their own loves and hates were as startling as the worlds they encountered.

“Security”, tells the story of a compartmentalized government physicist ordered by secret police to complete experiments aimed at developing a new weapon. He is brought to a hidden space station and put in charge of the project but there are many questions. In a world of spies watching spies it’s sometimes hard to know what’s patriotic. -- Poul Anderson was a Golden Age Science Fiction and Fantasy author. “Security” first appeared in the magazine “Space Science Fiction” in February of 1953

In Tom Swift and His Airship, Tom Swift has finished his latest invention- the Red Cloud, a fast and innovative airship. Tom is anxious for a cross-country trial, but just before he and his friends take off, the Shopton bank is robbed. No sooner is Tom in the air than he is blamed for the robbery. Suddenly, he's a wanted fugitive but doesn't know why until he's half-way across the country. With no safe harbor or friend on the land below, Tom must race back to Shopton to clear his name before he's shot out of the sky.

Tom Swift flies his airship to the mountain tops of Colorado to seek for the secret of the Diamond Makers: criminal scientists who have figured out the formula of manufacturing a limitless fortune in diamonds. But these rogues will stop at nothing to keep their secret. Tom & friends are soon captured and left to die in a collapsing mountain.

Tom Swift & friends decide to trial an experimental airship near the New Jersey coast, and are unexpectedly swept out to sea by hurricane winds. Unable to steer or navigate without tearing the airship apart, the hapless crew must simply let the storm take them wherever it will. Unfortunately, the storm proves too much for the craft and Tom makes a crash landing on the uninhabited and crumbling Earthquake Island.

A $10,000 prize lures Tom into competing at a local aviation meet at Eagle Park. Tom is determined to build the fastest plane around, but his plans mysteriously disappear, which means Tom must redesign his new airplane from the beginning.

Gregg Haljan was aware that there was a certain danger in having the giant spaceship Planetara stop off at the moon to pick up Grantline’s special cargo of moon ore. For that rare metal — invaluable in keeping Earth’s technology running — was the target of many greedy eyes. But nevertheless he hadn’t figured on the special twist the clever Martian brigands would use. So when he found both the ship and himself suddenly in their hands, he knew that there was only one way in which he could hope to save that cargo and his own secret — that would be by turning space-pirate himself and paying the Brigands of the Moon back in their own interplanetary coin. (From the Gutenberg e-text)