Conn Maxwell returns from Terra to his poverty-stricken home planet of Poictesme, “The Junkyard Planet”, with news of the possible location of Merlin, a military super-computer rumored to have been abandoned...
Fenris isn't a hell planet, but it's nobody's bargain. With 2,000-hour days and an 8,000-hour year, it alternates blazing heat with killing cold. A planet like that tends to breed a special kind of person: t...
To translate writings, you need a key to the code--and if the last writer of Martian died forty thousand years before the first writer of Earth was born ... how could the Martian be translated...?
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!
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!
The story of a confrontation between a human overlord and alien servants, with an ironic twist at the end. Like most of Piper's best work, Uller Uprising is modeled after an actual event in human history; in...
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 prese...
Colonization is the theme of this exciting, complex page-turner that provides a provocative and entertaining look at Thoreau's classic eco-text Walden. Eccentric billionaire Jack Winter has bought the planet...
There has always been strong sympathy for the poor, meek, downtrodden slave--the kindly little man, oppressed by cruel and overbearing masters.
Could it possibly have been misplaced...?
In Armageddon - 2419 A.D., Buck, a victim of accidental suspended animation, awakens five hundred years later to discover America groaning under the tyranny of the villainous Han, ruling from the safety of t...
Hugo nominated in 1962, originally published in Analog Science Fact-Science Fiction as "Sense of Obligation." Brion has just won the Twenties, a global competition to test achievements in 20 categories of hu...
Marcus, a.k.a “w1n5t0n,” is only seventeen years old, but he figures he already knows how the system works–and how to work the system. Smart, fast, and wise to the ways of the networked world, he has no trou...
Two months since sixty-five thousand alien objects clenched around the Earth like a luminous fist, screaming to the heavens as the atmosphere burned them to ash. Two months since that moment of brief, bright...
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, fa...
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. T...
In nineteen-fourteen, it was enemy aliens.
In nineteen-thirty, it was Wobblies.
In nineteen-fifty-seven, it was fellow-travelers.
And, in nineteen seventy-one, Kenneth J. Malone rolled wearily out of bed ...
The Lane Fleming collection of early pistols and revolvers was one of the best in the country. When Fleming was found dead on the floor of his locked gunroom, a Confederate-made Colt-type percussion .36 revo...
Some planet in the galaxy must—by definition—be the toughest, meanest, nastiest of all. If Pyrrus wasn't it ... it was an awfully good approximation!