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. Cities were turned into oceans; oceans turned into steam. It was the beginning of a new Ice Age and the end of civilization. But for the terrified men and women chance had saved, it was also the dawn of a new struggle for survival--a struggle more dangerous and challenging than any they had ever known....

They first appear as a series of dots on astronomical plates, heading from Saturn directly toward Earth. Since the ringed planet carries no life, scientists deduce the mysterious ship to be a visitor from another star. The world's frantic efforts to signal the aliens go unanswered. The first contact is hostile: the invaders blast a Soviet space station, seize the survivors, and then destroy every dam and installation on Earth with a hail of asteriods.

Best-selling science fiction superstars Larry Niven and Jerry Pournelle combine their talents with those of Steven Barnes in an extraordinary adventure of humankind’s first outpost in the farthest reaches of space. Light years from Earth, colonists land on a planet they name Avalon. It seems like a paradise—until native creatures savagely attack. It will take every bit of intelligence, courage, and military-style discipline to survive.

The Mote In God's Eye is their acknowledged masterpiece, 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".

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

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, where the society that ruled Earth could not reach him, he headed his starship toward the galactic core.

When a tremendous spacecraft takes orbit around Earth's moon and begins sending smaller landers down toward the North Pole, the newly arrived visitors quickly set up a permanent spaceport in Siberia. Their presence attracts many, including Rick Schumann, who establishes a tavern catering to all the various species of visiting aliens, a place he calls the Draco Tavern. From the mind of best-selling author Larry Niven come 27 tales and vignettes from this interstellar gathering place.

the near future, Los Angeles is an all but uninhabitable war zone, wracked by crime, violence, pollution and poverty. But above the blighted city, a Utopia has arisen: Todos Santos, a thousand-foot high single-structured city, designed to used state-of-the-art technology to create a completely human-friendly environment, offering its dwellers everything they could want in exchange for their oath of allegiance and their constant surveillance.

The wickedest, most wonderful science fiction story ever created in our - or any - time. Anything can begin at a party in California - and everything does in this bold masterwork by a grand master of science fiction. When four supremely sensual and unspeakably cerebral humans - two male, two female - find themselves under attack from aliens who want their awesome quantum breakthrough, they take to the skies - and zoom into the cosmos on a rocket roller-coaster ride of adventure, danger, ecstasy, and peril.

A classic thriller from #1 New York Times bestselling author Michael Crichton, Sphere is a bravura demonstration of what he does better than anyone: riveting storytelling that combines frighteningly plausible, cutting-edge science and technology with pulse-pounding action and serious chills.

In this, the first novel of the best-selling Incarnations of Immortality series, Piers Anthony combines a deeply moving examination of the meaning of life and death with a gripping story of romance and loyalty, all set in a world of magic and technical wizardry.

The Galahad, a faster-than-light spacecraft, carries 50 scientists and engineers on a mission to prepare Kepler 452b, Earth's nearest habitable neighbor at 1400 light years away. With Earth no longer habitable and the Mars colony slowly failing, they are humanity's best hope. After 10 years in a failed cryogenic bed - body asleep, mind awake - William Chanokh's torture comes to an end as the fog clears, the hatch opens, and his friend and fellow hacker, Tom, greets him...by stabbing a screwdriver into his heart. This is the first time William dies.

Wan-To was the oldest and must powerful intelligence in the universe, a being who played with star systems as a child plays with marbles. Matter occupied so tiny a part of his vast awareness that humans were utterly beneath his notice.

Traumatized by the bombing of Dresden at the time he had been imprisoned, Pilgrim drifts through all events and history, sometimes deeply implicated, sometimes a witness. He is surrounded by Vonnegut's usual large cast of continuing characters (notably here the hack science fiction writer Kilgore Trout and the alien Tralfamadorians, who oversee his life and remind him constantly that there is no causation, no order, no motive to existence).

When a storm reveals a mysterious cave behind a waterfall, the young mystic’s apprentice and her wolf investigate. Inside, she discovers a secret place containing a pile of human bones and the young girl makes what could be a fatal mistake. In this Legends of the First Empire prequel, we witness the events that helped shape the woman who would one day become Suri the Mystic, the first Rhune Artist, and a hero to a generation

In the blink of an eye, everyone disappears. Gone. Except for the young. There are teens, but not one single adult. Just as suddenly, there are no phones, no Internet, no television. No way to get help. And no way to figure out what's happened. Hunger threatens. Bullies rule. A sinister creature lurks. Animals are mutating. And the teens themselves are changing, developing new talents - unimaginable, dangerous, deadly powers - that grow stronger by the day. It's a terrifying new world.

It's a simple story. Boy finds proof that reality is a computer program. Boy uses program to manipulate time and space. Boy gets in trouble. Boy flees back in time to Medieval England to live as a wizard while he tries to think of a way to fix things. Boy gets in more trouble. Oh, and boy meets girl at some point.

Ferius Parfax has a simple plan: Kill every last inhabitant of the spell-gifted nation that destroyed her people, starting with the man who murdered her parents. Killing mages is a difficult and dangerous business, of course, but when she meets the inimitable and extraordinary Durrall Brown, she discovers that physical strength is not the only way to defeat evil of all kinds. So Ferius undertakes to study the ways of the Argosi: the loosely-knit tribe of tricksters known for getting the better of even the most powerful of spellcasters.

Earth is being invaded by the shetani - spirit creatures so small and stealthy that only one man knows about the increasing peril. The potential savior is an African elder named Olkeloki who is capable of fighting evil both in this world and the spirit one. But to be successful he must recruit the help of two others: government agent Joshua Oak, and a feisty young woman named Merry Sharrow. Only the three of them can keep the shetani from destroying reality as we know it.

Cassandra Palmer can see the future and communicate with spirits - talents that make her attractive to the dead and the undead alike. The ghosts of the dead aren't usually dangerous; they just like to talk...a lot. The undead are another matter. Like any sensible girl, Cassie tries to avoid vampires, but when the bloodsucking mafioso she escaped three years ago finds Cassie again with vengeance on his mind, she's forced to turn to the vampire Senate for protection.

Nick Seagrave is a disillusioned business executive who has lost loved ones to tragedy and his family to neglect. Now, at a point of great crisis, he finds himself inexplicably transported to what appears to be another world. Suddenly he's confronted with profoundly clear views of his own past and personality. And he's enabled to see, hear, taste, and smell the realities of both heaven and hell - realities that force him to face dangers and trials far greater than any he's known before.

Joey Harker isn't a hero. In fact, he's the kind of guy who gets lost in his own house. But then one day, Joey gets really lost. He walks straight out of his world and into another dimension. Joey's walk between the worlds makes him prey to two terrible forces: armies of magic and science who will do anything to harness his power to travel between dimensions.

For years, the Empress of Namorn has pressed her young cousin, Lady Sandrilene fa Toren, to visit her vast lands within the Empire's borders. Sandry has avoided the invitation for as long as it was possible. Now, Sandry has agreed to pay that overdue visit. Sandry's uncle promises guards to accompany her. But they're hardly a group of warriors! They're her old friends from Winding Circle: Daja, Tris, and Briar. Sandry hardly knows them now. They've grown up and grown apart.

The name’s Bond. Shaman Bond. Actually, that's just his cover. His real name is Eddie Drood, but when your job includes a license to kick supernatural arse on a regular basis, you find your laughs where you can.

Even though ­thirteen-­year-­old Marcus Kanenas is confined to a wheelchair, he sees himself as a survivor and a dreamer. In fact, his favorite dream is of a world far away, a world where magic is as common as air, where animals tell jokes, and where trees beg people to pick their fruit. He even has a name for this place - Farworld. When Marcus magically travels to Farworld, he meets Kyja, a girl without magic in a world where spells, charms, and potions are everywhere.

Two masters of science fiction collaborate on one wild post-apocalyptic story. After World War III, the Servants of Wrath cult deified the mysterious Carlton Lufteufel, creator of the doomsday weapon that wiped out much of humanity. But to worship the man, they need an image of him as a god, and no one has ever seen him. So the high priests send a limbless master painter named Tibor McMasters into the wilderness on a mission to find Lufteufel and capture his likeness.

What could be more commonplace than grass or a world covered over all its surface with a wind-whipped ocean of grass? But the planet Grass conceals horrifying secrets within its endless pastures. And as an incurable plague attacks all inhabited planets but this one, the prairie-like Grass begins to reveal these secrets - and nothing will ever be the same again.

Josh Adams, 14, awakes from a 50-year sleep. Ancient prophecy commands him and the other Sleepers to unite in battle against the evil priests and combat the doubt that threatens their faith.

Only a few nuclear weapons fell. But in the chaos of famine and plague, there existed a few pockets of order. The strongest of them was the state of Deseret. The climate has changed, and the lake has filled up. There, on the fringes, brave, hardworking pioneers are making the desert bloom again.

He's insisting he's a Tide Lord and he's begging us to try again...to kill him, that is. When a routine hanging goes wrong, the survivor announces he is Cayal the immortal Prince, a Tide Lord. However, the only known record of the immortal beings of Amyrantha is the Tide Lord Tarot...and everyone knows it is only a parlour-game, an amusement. Arkady Desean, an expert on the legends of the Crasii - a part-animal, part-human race - is sent to interrogate Cayal.

After being thrown out of the window of his luxury apartment, science-fiction writer Allen Carpentier wakes to find himself at the gates of Hell. Feeling he's landed in a great opportunity for a book, he attempts to follow Dante's road map. Determined to meet Satan himself, Carpentier treks through the nine circles of Hell, led by Benito Mussolini, and encounters countless mental and physical tortures.

They first appear as a series of dots on astronomical plates, heading from Saturn directly toward Earth. Since the ringed planet carries no life, scientists deduce the mysterious ship to be a visitor from another star. The world's frantic efforts to signal the aliens go unanswered. The first contact is hostile: the invaders blast a Soviet space station, seize the survivors, and then destroy every dam and installation on Earth with a hail of asteriods.

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, where the society that ruled Earth could not reach him, he headed his starship toward the galactic core.

Best-selling science fiction superstars Larry Niven and Jerry Pournelle combine their talents with those of Steven Barnes in an extraordinary adventure of humankind’s first outpost in the farthest reaches of space. Light years from Earth, colonists land on a planet they name Avalon. It seems like a paradise—until native creatures savagely attack. It will take every bit of intelligence, courage, and military-style discipline to survive.

the near future, Los Angeles is an all but uninhabitable war zone, wracked by crime, violence, pollution and poverty. But above the blighted city, a Utopia has arisen: Todos Santos, a thousand-foot high single-structured city, designed to used state-of-the-art technology to create a completely human-friendly environment, offering its dwellers everything they could want in exchange for their oath of allegiance and their constant surveillance.