The story of humanity's courageous struggle for survival against the greatest threat Earth has ever known. As the tenacious invaders remake Earth's violated surface, transforming its flora and fauna into a replica of their own terrifying home world, a handful of scientists, soldiers, and citizens prepare to fight back - hoping it isn't already too late. In Mexico, a dead Chtorr leads to a stunning discovery about the aliens.

Join the Army and See the Universe. That is the motto of The Third Space War, also known as The First Interstellar War, but most commonly as The Bug War. In one of Robert Heinlein's most controversial best sellers, a recruit of the future goes through the toughest boot camp in the universe - and into battle with the Terrain Mobile Infantry against mankind's most alarming enemy.

HARLIE is the first self-aware intelligence engine. But instead of answers, he has questions—too many questions, and most of his questions have no answers at all. First published in 1972, When HARLIE Was One was immediately hailed as a groundbreaking debut novel, examining the most fundamental question of all: What does it mean to be human?

Hella is a planet where everything is oversized. The trees are mile-high, the dinosaur herds are huge, and the weather is extreme - so extreme, the colonists have to migrate twice a year to escape the blistering heat of summer and the atmosphere-freezing cold of winter. Kyle is a neuro-atypical young man, emotionally challenged, but with an implant that gives him real-time access to the colony's computer network. When an overburdened starship arrives, he becomes the link between the established colonists and the refugees from a ravaged Earth.

Steve doesn’t know who he is. Or who he was. He doesn’t know anything, actually. Not even where he is. Other than a vast open field of dirt. All Steve knows is that he’s apparently supposed to build a farm. At least that’s his only workable assumption. Given the number of farm-tools left to him. That and the massive number of sacks full of seeds. Unfortunately, this isn’t even the strangest part of this new life. Hidden inside the farm tools, Steve finds messages. Messages that appear in floating windows in front of him.

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....

In The Waste, every fantasy creature, fairytale demon, or mythological monster exists. From orcs, to neriads, ogres, trolls, wraiths, elves, harpies, and even beastmen. They all exist, and all despise humankind. In the ruins of the west and east coasts, new governments have arisen. With new jobs. Vince is a Ranger, a profession whose sole job duty is surviving in the waste, and taking missions from the Ranger Guild. Be it courier services, escorts, or simply exploring tombs and cities.

A novella set in the universe of James S. A. Corey's NYT best-selling Expanse series. Now a Prime Original series. This story will be available in the complete Expanse story collection, Memory’s Legion.  

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.

Amber is the one real world, of which all others including our own Earth are but Shadows. Amber burns in Corwin's blood. Exiled on Shadow Earth for centuries, the prince is about to return to Amber to make a mad and desperate rush upon the throne.

It is the 31st millennium. Under the benevolent leadership of the Immortal Emperor, the Imperium of Man hasstretched out across the galaxy. It is a golden age of discovery and conquest. But now, on the eve of victory, the Emperor leaves the front lines, entrusting the great crusade to his favourite son, Horus. Promoted to Warmaster, can the idealistic Horus carry out the Emperor's grand plan, or will this promotion sow the seeds of heresy amongst his brothers?

John Perry did two things on his 75th birthday. First, he visited his wife's grave. Then he joined the army. The good news is that humanity finally made it into interstellar space. The bad news is that planets fit to live on are scarce - and alien races willing to fight us for them are common. So, we fight, to defend Earth and to stake our own claim to planetary real estate. Far from Earth, the war has been going on for decades: brutal, bloody, unyielding.

From the Audie-nominated narrator of The Martian. In eleven years' time, a million members of an alien race will arrive at Earth. Years before they enter orbit, their approach will be announced by the flare of a thousand flames in the sky, their ships' huge engines burning hard to slow them from the vast speeds needed to cross interstellar space. These foreboding lights will shine in our night sky like new stars, getting ever brighter until they outshine even the sun, casting ominous shadows and banishing the night until they suddenly blink out.

A bold English adventurer; an invincible Japanese warlord; a beautiful woman torn between two ways of life, two ways of love - all brought together in an extraordinary saga of a time and a place aflame with conflict, passion, ambition, lust, and the struggle for power.

Sequestered in the blackness of the dreaded Tower of High Sorcery in Palanthas, surrounded by nameless creatures of evil, Raistlin Majere weaves a plan to conquer the darkness - to bring it under his control. Crysania, a beautiful and devoted cleric of Paladine, tries to use her faith to lead Raistlin from the darkness. She is blind to his shadowed designs, and he draws her slowly into his neatly woven trap. Made aware of Raistlin’s plan, a distraught Caramon travels back in time to the doomed city of Istar in the days before the Cataclysm.