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...
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...
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...
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...
''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,...
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.
... 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...
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...
When the Inter-Planetary Corporation's top spaceliner Arcturus took off on a routine flight to Mars it turned out to be the beginning of a most unexpected and long voyage: attacked by a mysterious spaceship,...
The Masters had ruled all space with an unconquerable iron fist. But the Masters were gone. And this new, young race who came now to take their place--could they hope to defeat the ancient Enemy of All?
The planet itself was tough enough--barren, desolate, forbidding; enough to stop the most adventurous and dedicated. But they had to run head-on against a mad genius who had a motto: Death to all Terrans!
Tom Corbett and his friends, Astro and Roger Manning, participate in the most daring undertaking in all space history. While on an experimental trip in the Polaris to test out some new equipment they and Captain...
It seemed Earth was a rich and undefended planet in a warring, hating galaxy. Things can be deceptive though; children playing can be quite rough--but that ain't war, friend!
Backward world -- or secret outpost of another galaxy? ...Now they would attempt further to discover the forbidden directives of Kor. Horng remembered, somewhere far back in the fossil layers of his thoughts,...
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!
Dekker, back from space, found great physical changes in the people of Earth; changes that would have horrified him five years before. But now, he wanted to be like the rest--even if he had to lose an eye and...
Ashe Gordon and Ross Murdock, angry about the loss of their fellow agent Travis Fox on the planet Topaz, have travelled to the planet Hawaikan, a warm ocean planet, where they intend to set up a time gate. The...
Somewheres on the jungle world of Jumala, there was a man in hiding--a man whose mind had been reconditioned with another's brain pattern and for whom there was a fabulous reward. STAR HUNTER is a thrill-packed...
