An epic novel of mankind's first encounter with alien life that transcends the genre. No lesser an authority than Robert A. Heinlein called it "possibly the finest science fiction novel I have ever read"....

The gigantic comet had slammed into Earth, forging earthquakes a thousand times too powerful to measure on the Richter scale, tidal waves thousands of feet high....

After more than two hundred years as a corpsicle, Jaybee Corbell awoke in someone else’s body and under threat of instant annihilation if he made a wrong move while they were training him for a one-way mission to the stars. But Corbell bided his time and made his own move. Once he was outbound...

They first appear as a series of dots on astronomical plates, heading from Saturn directly toward Earth....

Larry Niven and Jerry Pournelle, award-winning authors of such best sellers as Footfall and The Legacy of Heorot, return us to the Mote....

Come back to the Ringworld - the most astonishing feat of engineering ever encountered. A place of untold technological wonders, home to myriad humanoid races, and world of some of the most beloved science fiction stories ever written. The human Louis Wu; the puppeteer known as the Hindmost...

Fleet of Worlds marks Larry Niven's first full novel-length collaboration within his Known Space universe, the playground he created for his best-selling Ringworld series. Teaming up with fellow SF writer Edward M. Lerner, Fleet of Worlds takes a closer look at Human-Puppeteer (Citizen)...

It’s been 20 years since the quixotic and worldsweary Louis Wu discovered the Ringworld. Now he and SpeakertoAnimals are going back, captives of the Hindmost, a deposed puppeteer leader. With Louis’ help, the Hindmost intends to regain his status by bringing back such extraordinary...

200 Years before the Discovery of Ringworld The newly liberated humans of the Fleet of Worlds and Sigmund Ausfaller, who had been transported by the Puppeteers from Earth to the Fleet, must contend not only with the sly Puppeteers but also the threat of the Pak, a very smart and utterly ruthless...

The explosive finale to the Ringworld and the Fleet of Worlds series... For decades, the spacefaring species of known space have battled over the largest artifact - and grandest prize - in the galaxy: the all-but-limitless resources and technology of the Ringworld. Now, without warning, the...

An unearthly voice hisses unholy welcome, and the late, great Allen Carpentier begins his one-way journey into the dim nether regions where flame-colored demons wield diabolically sharp pitchforks and tormented vixens reign forever in a pond of sheet ice. Here, in this land of torment and terror...

Get ready for an adventure on a world from the brilliant imagination of New York Times best-selling author Larry Niven. Wide and smooth, the Road was seared into planet Destiny’s rocky surface by the fusion drive of the powered landing craft, Cavorite. The Cavorite deserted the original...

Since fleeing the supernova chain reaction at the galactic core, the cowardly Puppeteers of the Fleet of Worlds have - just barely - survived one crisis after another: the rebellion of their human slaves, the relentless questing of the species of Known Space, the spectacular rise of the...

Covert agent Sigmund Ausfaller is Earth's secret weapon, humanity's best defense against all conspiracies, real and imaginary, and all foes both human and alien. Who better than a brilliant paranoid to expose the devious plots of others? But Sigmund may finally have met his match in Nessus...

A group of pretend adventurers suit up for a campaign called "The South Seas Treasure Game". As in the early role-playing games, there are dungeon masters, warriors, magicians, and thieves. The difference? At Dream Park, a futuristic fantasy theme park full of holographic attractions and the...

Dream Park, the ultimate in amusement parks, was about to embark on the greatest game ever: the California Voodoo Game. Across the world bets were being placed; fortunes and reputations hung in the balance. Gaming careers would be made - or destroyed. And the most advanced software package ever...

An anthology of new, original stories by bestselling science fiction authors, inspired by science fiction great Frederik Pohl....

Nothing quite prepared telepath Larry Greenberg for mind-to-mind contact with an alien. In the interest of science, Larry tapped the mind of Kzanol - and that was his first mistake. Kzanol was a thrint from a distant galaxy. He had been trapped on Earth in a time-stasis field for two billion...

Harlan Ellison, Richard Christian Matheson, Connie Willis, and many more contribute to a compelling psychological exploration of the many shades of love....

The first interstellar ship, John Glenn, fled a solar system populated by rogue AIs and machine/human hybrids, threatened by too much nanotechnology, and rife with political dangers. The John Glenn’s crew intended to terraform the nearly pristine planet Ymir in hopes of creating a utopian...