Clifford D. Simak

A human space traveler trapped on a remote planet must somehow unravel a confounding alien technology - or else surrender himself to a host of incomprehensible horrors....

A writer finds himself trapped in an isolated village where anything imagined becomes reality in this wildly inventive contemporary fantasy....

Fleeing a carnivorous race of alien monsters, the entire surviving human population from 500 years in the future escapes into the present in this thrilling science fiction adventure....

Following a conversation with a talking slot machine, Professor Edward Lansing finds himself mysteriously transported to a tavern on a long and empty road....

The hunt for his killer leads a dead professor of supernatural phenomena into the perilous intrigues of aliens, fairy folk, and time travelers in this classic of science fiction....

Twenty years ago, Asher Sutton vanished somewhere in the star system 61 Cygni, an inaccessible corner of the universe that humankind has thus far been unable to explore....

A scholar, a goblin, and a gnome, among others, pursue the secrets of a vanished ancient race through a wasteland of dark magic in this enthralling fantasy quest adventure....

Tensions rise, and terror runs rampant when the residents of a small town are trapped within the confines of their village by an invasive force from an alternate dimension....

In rural Wisconsin, wonder clashes dangerously with corporate greed when an alien visitor opens up a gateway through time into a breathtaking prehistoric lost world....

More than a thousand years have passed since humankind intentionally destroyed its treacherous technology, choosing to revert back to a primitive tribal state....

Robot believers at the far end of the galaxy endeavor to create a true religion, but their efforts could be shattered by a shocking revelation....

In an alternate world where the Dark Ages never ended, "the Evil" that arises every 500 years has prevented all manner of technological advancement, even well into the 20th century....

What if you woke up one morning on Earth...and no one else was there? That is the reality that greeted a handful of humans....

Two present-day investigators race across time to escape malevolent aliens from the future and their terrible "gift" of immortality in this science fiction classic....

Space travel has been abandoned in the 22nd century. It is deemed too dangerous, expensive, and inconvenient - and now the all-powerful Fishhook company holds the monopoly....

The renowned Science Fiction Grand Master makes a foray into fantasy, with this tale of perilous adventure in a land of trolls, wizards, and terrifying malevolence.

An enormous, mysterious box descends upon small-town Minnesota, spelling trouble for the world, in this classic adventure from a Science Fiction Grand Master. Forestry student Jerry Conklin is fly-fishing when something huge lands on his car, crushing it into the earth. It looks like a big black...

In this classic novel by the Science Fiction Grand Master, a writer searching for explanations uncovers the existence of mutants and multiple Earths: "First-rate Simak" (The New York Times). Author Jay Vickers would like nothing more than to be left alone so he can finish his next book. But...

A corporation promising immortality hides a sinister secret in this "extremely provocative" sci-fi novel (Judith Merril, author and editor). Since the dawn of mankind, immortality has been the ultimate reward. But by the year 2148, it requires no act of faith to believe in an afterlife. Forever...

A reporter uncovers a terrifying conspiracy, in this thrilling classic from a Science Fiction Grand Master. After a night out on the town, Parker Graves returns home to life-threatening danger. The science reporter for the local newspaper barely misses a bear trap sitting on his doorstep. Then...