Consider the poor mailman of the future. To "sleet and snow and dead of night"--things that must not keep him from his appointed rounds--will be added, sub-zero void, meteors, and planets that won't stay put....
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!
Just as medicine is not a science, but rather an art--a device, practised in a scientific manner, in its best manifestations--time-travel stories are not science fiction. Time-travel, however, has become acceptable...
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...
The Lexman Spacedrive gave man the stars—but at a fantastic price. Interstellar exploration, colonization, and trade became things of reality. The benefits to Earth were enormous. But because of the Fitzgerald...
Like every farmer on every planet, Duncan had to hunt down anything that damaged his crops—even though he was aware this was—The World That Couldn't Be.
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.
Called to the end of time by a being known as The Face of Ea, four adventurers face a power that not even the science of that era could meet -- the nekron, negative matter, negative force, ultimate desctruction...
The Paratime Police had a real headache this time! Tracing one man in a population of millions is easy--compared to finding one gang hiding out on one of billions of probability lines!
Usually there are two "reasons" why something is done; the reason why it needs to be done, and, quite separate, the reason people want to do it. The foul-up starts when the reason-for-wanting is satisfied ......
The Pleiades was Earth's first starship, and it could travel anywhere instantaneously -- but where it ended up could not be predicted... or even if the ship could return to Earth!
In a world where Security is all-important, nothing can ever be secure. A mountain-climbing vacation may wind up in deep Space. Or loyalty may prove to be high treason. But it has its rewards.
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,...
Was this ill-fated expedition the end of a proud, old race--or the beginning of a new one? There are strange gaps in our records of the past. We find traces of man-like things--but, suddenly, man appears, far...
