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.

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.

In the 23rd century, pioneers have escaped the crowded earth for life in self-sustaining orbital colonies. One of the colonies, Rotor, has broken away from the solar system to create its own renegade utopia around an unknown red star two light-years from Earth: a star named Nemesis. Now a 15-year-old Rotorian girl has learned of the dire threat that nemesis poses to Earth’s people - but she is prevented from warning them. Soon, she will realize that Nemesis endangers Rotor as well.

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”.

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.

The millions of people around the world who loved What If? still have questions, and those questions are getting stranger. Thank goodness xkcd creator Randall Munroe is here to help. Planning to ride a fire pole from the Moon back to Earth? The hardest part is sticking the landing. Hoping to cool the atmosphere by opening everyone’s freezer door at the same time? Maybe it’s time for a brief introduction to thermodynamics. Want to know what would happen if you rode a helicopter blade, made a lava lamp out of lava, or jumped on an erupting geyser? Okay, if you insist.

Stephen Hawking not only unraveled some of the universe's greatest mysteries but also believed science plays a critical role in fixing problems here on Earth. Now, as we face immense challenges on our planet - including climate change, the threat of nuclear war, and the development of artificial intelligence - he turns his attention to the most urgent issues facing us. Will humanity survive? Should we colonize space? Does God exist? These are just a few of the questions Hawking addresses in this wide-ranging, passionately argued final book from one of the greatest minds in history.

The Battle of Serenity Valley was the turning point that led the Independents to their defeat at the hands of the Alliance. Yet the Browncoats had held the valley for weeks against all odds, before being ordered to lay down their arms. Command stated they refused to send in airpower because the ground war was "too hot". But the soldiers who were there insist that was not true.... While picking up a new cargo on Persephone, Captain Malcolm Reynolds is kidnapped by a bunch of embittered veteran Browncoats who suspect him of sabotaging the Independents during the war.

The human soldiers stranded on the planet Paradise have been recruited into an alien legion to do the dirty jobs that the high-tech species won't do. Their first mission is to kick the enemy off a backwater planet no one cares about. It's a simple assignment, except everyone has a hidden agenda, and the planet could become a deathtrap.

Long before Casmir Dabrowski and Kim Sato leave their world for the epic adventures of the Star Kingdom series, long before they outwit terrorists and mercenaries and do battle on a galactic scale, long before they become best friends and roommates...they have to meet for the first time. This is that story.

For the better part of five decades, Jerry Pournelle's name has been synonymous with hard-hitting science fiction. For the first time, all of Pournelle's best short work has been collected in a single volume. Herein you will find over a dozen short stories, each with a new introduction by editor and longtime Pournelle assistant John F. Carr, as well as essays and remembrances by Pournelle collaborators and admirers.

Over his four-decade career, Sid Meier has produced some of the world's most popular video games, including Sid Meier's Civilization, which has sold more than 51 million units worldwide and accumulated more than one billion hours of play. Sid Meier's Memoir! is the story of an obsessive young computer enthusiast who helped launch a multibillion-dollar industry.

In a scrap heap within an abandoned factory, the greatest invention in history lies dormant and unused. By what fatal error of judgment has its value gone unrecognized, its brilliant inventor punished rather than rewarded for his efforts? In defense of those greatest of human qualities that have made civilization possible, one man sets out to show what would happen to the world if all the heroes of innovation and industry went on strike.

Stephen Leeds, AKA 'Legion,' is a man whose unique mental condition allows him to generate a multitude of personae: hallucinatory entities with a wide variety of personal characteristics and a vast array of highly specialized skills. As the story begins, Leeds and his 'aspects' are drawn into the search for the missing Balubal Razon, inventor of a camera whose astonishing properties could alter our understanding of human history and change the very structure of society.

Kyle Riggs is snatched by an alien spacecraft sometime after midnight. The ship is testing everyone it catches and murdering the weak. The good news is that Kyle keeps passing tests and staying alive. The bad news is the aliens who sent this ship are the nicest ones out there.

When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take!

After the fall of the American Ayatollahs (as foretold in Stranger in a Strange Land) there is a Second American Revolution; for the first time in human history there is a land with Liberty and Justice for All.

“It is a sin to write this. It is a sin to think words no others think and to put them down upon a paper no others are to see. It is base and evil.” Deep issues of conscience are explored in Ayn Rand’s dystopian tale of a man who dares to fight against a system that invades his very mind and identity.

A world with no hunger, no disease, no war, no misery: Humanity has conquered all those things and has even conquered death. Now Scythes are the only ones who can end life - and they are commanded to do so in order to keep the size of the population under control. Citra and Rowan are chosen to apprentice to a scythe - a role that neither wants. These teens must master the "art" of taking life, knowing that the consequence of failure could mean losing their own.

This bundle includes Children of Amarid, The Outlanders, and Eagle-Sage.

When a maid in the upper class Ellison household is strangled, Inspector Pitt is called in to investigate. He finds a world ruled by strict manners and social customs, where the inhabitants of the Ellison's neighborhood appear to be more outraged by the thought of scandal than they are by murder. Inspector Pitt finds a most unlikely ally in Charlotte, the Ellison's spirited daughter. But as the murders continue, Charlotte and Pitt find themselves drawn together by more than the investigation.

The Overlords appeared suddenly over every city - intellectually, technologically, and militarily superior to humankind. Benevolent, they made few demands: unify earth, eliminate poverty, and end war. With little rebellion, humankind agreed, and a golden age began.

You think you’re struggling to find your place in the universe? Consider poor old Colin Douglass, a terminally ill insurance agent who awakens from centuries in cryogenic freeze to find Earth is a devastated wasteland. Now, he’s being pursued by a homicidal interstellar tourist board, and calculating insurance dividends is as outdated as making stone axes. Sci-fi-hating technophobe Colin seeks a cure for his illness in this strange new galaxy where toilets talk back, and door handles are a long-forgotten relic.

"Something is murdering my men." Thus reads the message received from a Nazi commander stationed in a small castle high in the remote Transylvanian Alps. Invisible and silent, the enemy selects one victim per night, leaving the bloodless and mutilated corpses behind to terrify its future victims. When an elite SS extermination squad is dispatched to solve the problem, the men find something that's both powerful and terrifying. Panicked, the Nazis bring in a local expert on folklore - who just happens to be Jewish - to shed some light on the mysterious happenings.

Demobilised officer, finding peace incredibly tedious, would welcome diversion. Legitimate if possible; excitement essential. When Captain Hugh Drummond, DSO, MC placed that advertisement, he was looking for adventure. What he finds is an international plot headed by the greatest criminal mastermind in the world.

One of the 20th century's most challenging novels of ideas, The Fountainhead champions the cause of individualism through the story of a gifted young architect who defies the tyranny of conventional public opinion. The struggle for personal integrity in a world that values conformity above creativity is powerfully illustrated through three characters: Howard Roarke, a genius; Gail Wynand, a newspaper mogul and self-made millionaire; and Dominique Francon, a devastating beauty.

Earth’s first colony ship finally reaches the target world. The excitement of planetfall is indescribable, but quickly transforms into sick disappointment when they find the atmosphere is a roiling mass of hydrochloric acid, carbon dioxide, and other deadly poisons. They fly onward, seeking better planets. They find them, but none are ideal. The search goes on for a century, then longer still. As they move farther from Earth, aliens discover the intruding ship, and they begin to investigate humanity. They find our species unacceptable.

A classic from the queen of mystery: Agatha Christie.

Hans Castorp is, on the face of it, an ordinary man in his early 20s, on course to start a career in ship engineering in his home town of Hamburg, when he decides to travel to the Berghof Santatorium in Davos. The year is 1912 and an oblivious world is on the brink of war. Castorp’s friend Joachim Ziemssen is taking the cure and a three-week visit seems a perfect break before work begins. But when Castorp arrives he is surprised to find an established community of patients, and little by little, he gets drawn into the closeted life and the individual personalities of the residents.

A mysterious island, shrouded in fear, evil, and darkness. Here the amoral General Zaroff hunts. And what, you ask, is the most dangerous game? It is the manner and substance of his nightly killings.

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.

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.

In the 23rd century, pioneers have escaped the crowded earth for life in self-sustaining orbital colonies. One of the colonies, Rotor, has broken away from the solar system to create its own renegade utopia around an unknown red star two light-years from Earth: a star named Nemesis. Now a 15-year-old Rotorian girl has learned of the dire threat that nemesis poses to Earth’s people - but she is prevented from warning them. Soon, she will realize that Nemesis endangers Rotor as well.

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”.

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.

This volume contains 20 autobiographies of men who fought in the Korean War. Their stories help listeners to understand what draftees, volunteers, and professional military men experienced in combat in Korea. They often tell information not available in US military reports and government-authorized histories and sometimes contradict official reports.

Two months ago, billions of people were killed by a deadly germ. Days later, they rose again in massive numbers. Since then, cities worldwide have become corpse-filled, rat-infested, germ-choked hellholes. A group of people are trapped in central London, hopelessly outnumbered by the dead. They hear rumors of a safe haven in the north—a self-sufficient community where people from across the country have gathered to try and rebuild their lives. But the decaying ruins of the capital are vast and sprawling, and they’re going to need an army to get away from this place.

AI expert Yorick Wilks takes a journey through the history of artificial intelligence up to the present day, examining its origins, controversies, and achievements, as well as looking into just how it works. He also considers the future, assessing whether these technologies could menace our way of life and how we are all likely to benefit from AI applications in the years to come.

The mission is simple. Escort an emissary to an intergalactic peace summit. Try not to get in the way. Lt. Magnus and his 79th Recon Team have certainly handled worse, after all. But when an explosion rocks the tower and sends everyone into a panic, Magnus and his asset find themselves cut off from the rest of the team. Worse still, a dying alien chieftain gives them a priceless drive of intel, marking them for death. The mission has officially changed. With enemies on all sides, Magnus must do everything in his power to protect the emissary and escape the tower.

Contains books one and two of the The Titan series, a litRPG gamelit adventure. Trapped in his own body by a debilitating medical condition, Xavier Lee seeks reprieve from his giant-sized problems through full immersion into the game world of Nova Terra. Billed as the first true alternate reality, Nova Terra runs parallel to the real world and promises to fulfill the fantasies and desires of those who dare plunge into its mysterious depths. In order to adjust to his new life of quests, skill mastery, and magic, Xavier will have to forget everything he knows.