On the planet Pyrrus, human colonists have fought a centuries-old war with the native life forms. These life forms adapt to human tactics and technology, evolving new species so rapidly that natives returning from even brief trips off planet must be carried in protective armor canisters from their ship to the safe buildings, where they will learn of the latest deadly threats.

The planet was called Felicity. The name was a joke, except for those compelled to settle there. Inhabiting it were beings bred for thousands of years for a single purpose: to attack and kill. Jason knew this. But he also knew the planet on which he lived was moving toward certain disaster. And Felicity was the only spot in the universe where he and his companions could survive. He thought he had worked out the perfect plan. But what awaited him on Felicity went far beyond his wildest imagining.

Sixty-five million years ago, a disastrous cataclysm eliminated three quarters of all life on Earth. Overnight, the age of dinosaurs ended. The age of mammals had begun. But what if history had happened differently? What if the reptiles had survived to evolve into intelligent life? In West of Eden, best-selling author Harry Harrison has created a rich, dramatic saga of a world where the descendants of the dinosaurs struggled with a clan of humans in a battle for survival.

In a New York City groaning under the burden of 35 million inhabitants, detective Andy Rusch is engaged in a desperate and lonely hunt for a killer everyone has forgotten. For even in a world such as this, a policeman can find himself utterly alone.

Jan Kulozik was one of Earth's privileged elite. A brilliant young electronics engineer, he enjoyed all the blessings of a twenty-third-century civilization that survived global collapse and conquered the starts, unaware of the millions who slaved or starved to maintain his way of life. Then Jan met Sara, a beautiful agent of the rebel underground dedicated to smashing Earth's rigid caste system. Through her he discovered the truth behind the lies he'd been taught.

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy. As most of the local worlds were too civilized to have a proper army, the only valuable service Earth could provide came in the form of soldiers....

This classic science fiction masterwork by Isaac Asimov weaves stories about robots, humanity, and the deep questions of existence into a novel of shocking intelligence and heart.

Farmer In The Sky is a 1953 science fiction novel by Robert A. Heinlein about a teenage boy who emigrates with his family to Jupiter's moon Ganymede, which is in the process of being terraformed. A condensed version of the novel was published in serial form in 1950 in Boys' Life magazine (August, September, October, November), under the title "Satellite Scout".

Time Enough for Love is the capstone and crowning achievement of Heinlein's famous Future History series. Lazarus Long is so in love with life that he simply refuses to die. Born in the early 1900s, he lives through multiple centuries, his love for time ultimately causing him to become his own ancestor. Time Enough for Loveis his lovingly detailed account of his journey through a vast and magnificent timescape of centuries and worlds. Using the voice of Lazarus, Heinlein expounds his own philosophies, including his radical ideas on sexual freedom.

When COVID-19 sweeps through New York City, Jamie Gray is stuck as a dead-end driver for food-delivery apps. That is, until Jamie makes a delivery to an old acquaintance, Tom, who works at what he calls “an animal rights organization”. Tom’s team needs a last-minute grunt to handle things on their next field visit. Jamie, eager to do anything, immediately signs on. What Tom doesn't tell Jamie is that the animals his team cares for are not here on Earth. Not our Earth, at at least. In an alternate dimension, dinosaur-like creatures named Kaiju roam a warm and human-free world.

Friday, a secret courier, is thrown into an assignment under the command of her employer, a man she knows only as "Boss." She operates from and over a near-future Earth in North America, a vulgar and chaotic land comprised of dozens of independent states. In America's disunion, Friday keeps her balance nimbly with quick, expeditious solutions as she conquers one calamity and scrape after another.

For three days battle has raged in the snow around the great city of Tar Valon. In the city, a foretelling of the future is uttered. On the slopes of Dragonmount, the immense mountain that looms over the city, a child is born, an infant prophesied to change the world. That child must be found before he can be killed by the forces of the Shadow.

Skeeve is a magician’s apprentice (and a wanna-be thief) until an assassin’s bolt kills his master, Garkin. Along with Aahz, the green-scaled, purple-tongued demon and master magician summoned by Garkin, he sets out on a quest to get even. The road to vengeance is bound to prove rocky, however, because Skeeve can barely light a candle with his beginning magic, and Aahz has lost his own considerable magical abilities as a consequence of Garkin’s summoning spell.

Melanie is a very special girl. Dr. Caldwell calls her "our little genius". Every morning, Melanie waits in her cell to be collected for class. When they come for her, Sergeant keeps his gun pointing at her while two of his people strap her into the wheelchair. She thinks they don't like her. She jokes that she won't bite, but they don't laugh. Melanie loves school. She loves learning about spelling and sums and the world outside the classroom and the children's cells. She tells her favorite teacher all the things she'll do when she grows up.

When a stranger attempting to deliver a cryptic message is shot dead at his dinner table, Richard Ames is thrown headfirst into danger, intrigue, and other dimensions where Lazarus Long still thrives, where Jubal Harshaw lives surrounded by beautiful women, and where a daring plot to rescue the sentient computer called Mike can change the direction of all human history.

DiGriz is caught during one of his crimes and recruited into the Special Corps. Boring, routine desk work during his probationary period results in his discovering that someone is building a battleship, thinly disguised as an industrial vessel. In the peaceful League no one has battleships anymore, so the builder of this one would be unstoppable. DiGriz' hunt for the guilty becomes a personal battle between himself and the beautiful but deadly Angelina, who his planning a coup on one of the feudal worlds.

On the planet Pyrrus, human colonists have fought a centuries-old war with the native life forms. These life forms adapt to human tactics and technology, evolving new species so rapidly that natives returning from even brief trips off planet must be carried in protective armor canisters from their ship to the safe buildings, where they will learn of the latest deadly threats.

The planet was called Felicity. The name was a joke, except for those compelled to settle there. Inhabiting it were beings bred for thousands of years for a single purpose: to attack and kill. Jason knew this. But he also knew the planet on which he lived was moving toward certain disaster. And Felicity was the only spot in the universe where he and his companions could survive. He thought he had worked out the perfect plan. But what awaited him on Felicity went far beyond his wildest imagining.

Sixty-five million years ago, a disastrous cataclysm eliminated three quarters of all life on Earth. Overnight, the age of dinosaurs ended. The age of mammals had begun. But what if history had happened differently? What if the reptiles had survived to evolve into intelligent life? In West of Eden, best-selling author Harry Harrison has created a rich, dramatic saga of a world where the descendants of the dinosaurs struggled with a clan of humans in a battle for survival.

A sequel to the author's Bill, the Galactic Hero, published over 20 years ago, this book is the first of a new series of novels featuring Bill. With two right arms, an artificial foot, and a set of surgically implanted tusks, Bill sets out to find the source of Chinger-controlled metal dragons.

In a New York City groaning under the burden of 35 million inhabitants, detective Andy Rusch is engaged in a desperate and lonely hunt for a killer everyone has forgotten. For even in a world such as this, a policeman can find himself utterly alone.

A Fire Upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war told on a cosmic scale. Thousands of years hence, many races inhabit a universe where a mind's potential is determined by its location in space, from superintelligent entities in the Transcend, to the limited minds of the Unthinking Depths, where only simple creatures and technology can function.

Deathworld: a planet that has evolved to kill all humans. Jason dinAlt, a so-so psionic gambler, is made an offer he can’t refuse - go to Deathworld and tame it. So begins Harry Harrison’s classic science-fiction tale of alien adventure; and Jason discovers that the reason behind Deathworld’s aggression is as shocking as the violence on the surface.

Fraa Erasmus is a young avout living in the Concent of Saunt Edhar, a sanctuary for mathematicians, scientists, and philosophers, protected from the corrupting influences of the "Saecular" world by ancient stone, honored traditions, and complex rituals. Over the centuries, cities, and governments have risen and fallen beyond the concent's walls. Three times during history's darkest epochs, bloody violence born of superstition and ignorance has invaded and devastated the cloistered mathic community.

2057. Humanity has raised exploiting the solar system to an art form. Bella Lind and the crew of her nuclear-powered ship, the Rockhopper, push ice. They mine comets. And they're good at it. The Rockhopper is nearing the end of its current mission cycle, and everyone is desperate for some much-needed R & R, when startling news arrives from Saturn: Janus, one of Saturn's ice moons, has inexplicably left its natural orbit and is now heading out of the solar system at high speed.