They mustn't harm a human being, they must obey human orders, and they must protect their own existence...but only so long as that doesn't violate rules one and two. With these Three Laws of Robotics, humanity embarked on a bold new era of evolution that would open up enormous possibilities, and unforeseen risks.

The Eternals, the ruling class of the Future, had the power of life and death not only over every human being but over the very centuries into which they were born. Past, Present, and Future could be created or destroyed at will. You had to be special to become an Eternal. Andrew Harlan was special. Until he committed the one unforgivable sin - falling in love. Eternals weren’t supposed to have feelings. But Andrew could not deny the sensations that were struggling within him. He knew he could not keep this secret forever. And so he began to plan his escape.

It is the year 12,020 GE and Emperor Cleon I sits uneasily on the Imperial throne of Trantor. Here in the great multidomed capital of the Galactic Empire, 40 billion people have created a civilization of unimaginable technological and cultural complexity. Yet Cleon knows there are those who would see him fall - those whom he would destroy if only he could read the future.

Only a few know the terrifying truth - an outcast Earth scientist, a rebellious alien inhabitant of a dying planet, a lunar-born human intuitionist who senses the imminent annihilation of the Sun... They know the truth - but who will listen? They have foreseen the cost of abundant energy - but who will believe?These few beings, human and alien, hold the key to the Earth's survival.

A collection of 20 classic short stories by Isaac Asimov, author of the Foundation series, featuring the definitive and only in-print version of “Nightfall”.

Ignition! is the story of the search for a rocket propellant which could be trusted to take man into space. This search was a hazardous enterprise carried out by rival labs who worked against the known laws of nature, with no guarantee of success or safety. John Drury Clark writes with irreverent and eyewitness immediacy about the development of the explosive fuels strong enough to negate the relentless restraints of gravity. The resulting volume is as much a memoir as a work of history, sharing a behind-the-scenes view of an enterprise that eventually took men to the moon.

Silas visits his estranged grandfather's lakehouse in the aftermath of the deadly home invasion. What he discovers hidden below the floorboards triggers a mystery buried since the final trip to the Moon over fifty years earlier. Rory returns to her family home in Vermont to write her second novel, but fate has a different story in mind. Special Agent Waylen Brooks exposes a covert operation linked to the death of a retired astronaut. He soon finds out he's not the only one searching for answers and willing to kill for the truth.

Humans have reached the stars. There is no evidence any other species survived its own sentience long enough to do the same. Until now, when the Magellanix deep-space scout Accipiter discovers the Artifact, a million-year-old alien construct resting in a dormant volcano on a faraway world.

From the ashes of a devastated Boston, a harrowing legend emerges. Thirteen years prior, the colossal kaiju, Nemesis, ravaged the city in her relentless pursuit of retribution. Today, mankind's survival teeters on the sacrificial offerings atop a chilling monolith known as The Altar, where the condemned pay the ultimate price to prevent Nemesis's wrath from consuming humanity.

The Martian meets Gravity when Army Pilot Vaughn Singleton, Earth’s last man, rushes to Area 51 in search of a spaceplane after he discovers the last woman is stranded on the International Space Station and barely alive - thus beginning a race against time. The event that wiped life from the planet started at the supercollider. It created a rift in space-time. The astronaut stranded aboard the space station, Commander Angela Brown, is a theoretical physicist who used to work at the collider.

Avo was born a weapon, a slave to his instincts and his masters. He and his brothers were made to burn New Vultun to ashes. Everything changes when Avo gains immortality and becomes heir to an impossible legacy. He must ascend the megacity of New Vultun. He must challenge the very tyrants that usurped the gods. He must finally free the world from chains.

If there were two more impetuous and carefree men in the Kingdom of the Isles, they had yet to be found. Twins Borric and Erland wore that mantle proudly, much to the chagrin of their father, Prince Arutha of Krondor. But their blissful youth has come to an end. Their uncle, the King, has produced no male children. Bypassing himself, Arutha names Borric, the eldest twin by seconds, the Royal Heir. As his brother, Erland will have his own great responsibilities to shoulder.

Hugo, Nebula, and Arthur C. Clarke award-winner Ann Leckie is a modern master of the SFF genre, forever changing its landscape with her groundbreaking ideas and powerful voice. Now, available for the first time comes the complete collection of Leckie's short fiction, including a brand new novelette, “Lake of Souls.”

Jon Ryan was supposed to be dead. He wanted to be dead. But Jon wakes up in the far future with an alien burrowing in his chest for salvage. Someone was going to pay for this. Check that. Lots of people were going to pay for this. Jon was the first astronaut to download to an android host to find the population of doomed Earth a new home. But that was so long time ago. He is now literally lost in time.

First came the development of the Personality Matrix Construct—PMC, transferring human consciousness into a machine. It changed the galaxy and the way wars were fought. Then something went wrong with PMCs and the Federation Wars toppled the galactic order. PMCs became a menace to be hunted and exterminated.