There were nine major planets in the Solar System, and it was within their boundaries that man first set up interplanetary commerce and began trading with the ancient Martian civilization. And then they discovered...
The alien spaceship was unthinkably huge, enormously powerful, apparently irresistible. It came from the void and settled on Earth, striking awe into the hearts of all who saw it. Its burden, however, was not...
A sky pirate armed with superior weapons of his own invention....First contact with an alien race dangerous enough to threaten the safety of two planets....The arrival of an unseen dark sun whose attendant marauders...
A classic work of science fiction, this novel was one of the first to explore the world of the atom. The Girl in the Golden Atom is the story of a young chemist who finds a hidden atomic world within his mother’s...
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...
The star Mira was unpredictably variable. Sometimes it was blazing, brilliant and hot. Other times it was oddly dim, cool, shedding little warmth on its many planets. Gresth Gkae, leader of the Mirans, was seeking...
''Dave stared around the office. He went to the window and stared upwards at the crazy patchwork of the sky. For all he knew, in such a sky there might be cracks. In fact, as he looked, he could make out a rift,...
... across half a Galaxy, the Terran Empire maintains its sovereignty with the consent of the governed. It is a peaceful reign, held by compact and not by conquest. Again and again, when rebellion threatens...
It was a week before the Lhari ship went into warp-drive, and all that time young Bart Steele had stayed in his cabin. He was so bored with his own company that the Mentorian medic was a welcome sight when he...
Bruce Gordon was an ex-fighter, ex-gambler, ex-cop, ex-reporter, and now he was an ex-patriot of Earth. Security shipped him to Mars with a knife, 100 credits, and a yellow card that meant no return.
''From between the two shuffling dancers padded something on four feet. The canine-feline creature was more than just a head; it was a loose-limbed, graceful body fully eight feet in length, and the red eyes...
As a doctor, Daniel Feldman once made the mistake of saving a friend's life in violation of Medical Lobby rules. Now he's a pariah, shunned by all, and forbidden to touch another patient. But rules are looser...
When George Randolph first caught sight of Orena, he was astounded by its gleaming perfection. Here were hills and valleys, lakes and streams, glowing with the light of the most precious of metals. And, more...
We know so little about intra-atomic forces, that this story, improbable as it will appear in spots, will read commonplace years hence, when we have atomic engines, and when we have solved the riddle of the...
Ten men walked Earth--ten men in different cities in the United States. Each one was the exact replica of the other--from the tips of his fingers down to the beating of his twin hearts.Where they came from,...
Varta, the last priestess of Asti, lives alone with Lur, a telepath of the lizardfolk, in Asti's isolated mountain retreat. Decadent Memphir has long since drifted away from the austere paths of Asti, and now...
I am the last of my type existing today in all the Solar System. I, too, am the last existing who, in memory, sees the struggle for this System, and in memory I am still close to the Center of Rulers, for mine...
