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...
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...
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...
In Tarrano the Conqueror is presented a tale of the year 2430 A.D.--a time somewhat farther beyond our present-day era than we are beyond Columbus' discovery of America. My desire has been to create for you...
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...
Out of nowhere came these grim, cold, black-clad men, to kidnap three Earth people and carry them to a weird and terrible world where a man could be a giant at will.
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,...
''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,...
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...
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.
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...
Intelligence agents have uncovered something beyond belief, but the evidence is incontrovertible: the USA’s greatest adversary is sending its own agents back through time! And someone (or something) is presenting...
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...
... 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...
In this sequel to At the Earth's Core, return to the world of Pellucidar—an exotic, savage land at the center of the Earth, an untamed wilderness where the sun never sets. When American explorer David Innes...
