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 story of Tang and her gallant crew ranks with the most amazing of naval history. Between August 1943 when she was commissioned and her loss in fall 1944, Tang completed four missions and was on her fifth in the Formosa Strait, single-handedly demolishing a convey. During this time, Tang had one captain: Commander Richard Hetherington O'Kane. Together, Tang, her crew of 86 men, and her captain sank more tonnage and more enemy ships than any other submarine on active patrol.

Adrian Tchaikovksy's critically acclaimed stand-alone novel Children of Time is the epic story of humanity's battle for survival on a terraformed planet. Who will inherit this new Earth? The last remnants of the human race left a dying Earth, desperate to find a new home among the stars. Following in the footsteps of their ancestors, they discover the greatest treasure of the past age - a world terraformed and prepared for human life. But all is not right in this new Eden.

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.

. C. “Scar” Gordon was on the French Riviera recovering from a tour of combat in Southeast Asia, but he hadn’t given up his habit of scanning the personals in the newspaper. One ad in particular leapt out at him: "Are you a coward? This is not for you. We badly need a brave man. He must be 23 to 25 years old, in perfect health, at least six feet tall, weigh about 190 pounds, fluent English with some French, proficient with all weapons, some knowledge of engineering and mathematics essential...."

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

“Are you happy with your life?” Those are the last words Jason Dessen hears before the kidnapper knocks him unconscious. Before he awakens to find himself strapped to a gurney, surrounded by strangers in hazmat suits. Before a man he’s never met smiles down at him and says, “Welcome back, my friend.” In this world he’s woken up to, Jason’s life is not the one he knows. His wife is not his wife.

A catastrophic event renders the earth a ticking time bomb. In a feverish race against the inevitable, nations around the globe band together to devise an ambitious plan to ensure the survival of humanity far beyond our atmosphere, in outer space.

Neal Stephenson is a blazing new force on the sci-fi scene. With the groundbreaking cyberpunk novel Snow Crash, he has "vaulted onto the literary stage." It weaves virtual reality, Sumerian myth, and just about everything in between with a cool, hip cybersensibility - in short, it is the gigathriller of the information age.

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.

Ken Follett's World Without End was a global phenomenon, a work of grand historical sweep beloved by millions of readers and acclaimed by critics. Fall of Giants is his magnificent new historical epic. The first novel in The Century Trilogy, it follows the fates of five interrelated families - American, German, Russian, English, and Welsh - as they move through the world-shaking dramas of the First World War, the Russian Revolution, and the struggle for women's suffrage.

Red Schuhart is a stalker, one of those young rebels who are compelled, in spite of extreme danger, to venture illegally into the Zone to collect the mysterious artifacts that the alien visitors left scattered around. His life is dominated by the place and the thriving black market in the alien products. But when he and his friend Kirill go into the Zone together to pick up a "full empty", something goes wrong.

The United States government is given a warning by the preeminent biophysicists in the country: current sterilization procedures applied to returning space probes may be inadequate to guarantee uncontaminated re-entry to the atmosphere.

William Mandella is a soldier in Earth's elite brigade. As the war against the Taurans sends him from galaxy to galaxy, he learns to use protective body shells and sophisticated weapons. He adapts to the cultures and terrains of distant outposts. But with each month in space, years are passing on Earth. Where will he call home when (and if) the Forever War ends?

The Western Front, 1916. Private Percy Blakeney wakes up. He is lying on fresh spring grass. He can hear birdsong and the wind in the leaves. Where have the mud, blood, and blasted landscape of no-man's-land gone? For that matter, where has Percy gone? Madison, Wisconsin, 2015. Police officer Monica Jansson is exploring the burned-out home of a reclusive - some say mad, others allege dangerous - scientist who seems to have vanished. Sifting through the wreckage, Jansson find a curious gadget.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

It’s 1984, and life has changed beyond recognition. Airstrip One, formerly known as Great Britain, is a place where Big Brother is always watching, and nobody can hide. Except, perhaps, for Winston Smith. Whilst working at the Ministry of Truth, rewriting history, he secretly dreams of freedom. And in a world where love and sex are forbidden, where it’s hard to distinguish between friend and foe, he meets Julia and O’Brien and vows to rebel.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

Inheriting your uncle's supervillain business is more complicated than you might think. Particularly when you discover who's running the place. Charlie's life is going nowhere fast. A divorced substitute teacher living with his cat in a house his siblings want to sell, all he wants is to open a pub downtown, if only the bank will approve his loan. Then his long-lost uncle Jake dies and leaves his supervillain business (complete with island volcano lair) to Charlie. But becoming a supervillain isn't all giant laser death rays and lava pits.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

Commander Mariucci and his hand-picked research team know they will have to muster all of their expertise, creativity and teamwork to survive the very harshest of conditions in orbit around the king of planets. But when they intercept a peculiar radio transmission, they have to investigate. Nothing should work in these impossible conditions, so what is sending the signal...and why? With a degrading ship and crew at breaking point, there's every chance they will tear themselves apart before they ever find the answer to the ultimate question.

In 2034, the stars went out. An unknown agency surrounded the solar system with an impenetrable barrier, concealing the universe from humanity’s gaze. In 2067, Nick Stavrianos is hired to investigate the disappearance of a mentally disabled woman, Laura Andrews, from the institution where she was being cared for. Aided by a skull full of neural modifications, he follows her trail to the Republic of New Hong Kong, where an organization known as the Ensemble has uncovered Laura’s extraordinary secret: An ability that could transform the world.

In a cave high in the Alps, a renegade anthropologist discovers a frozen Neanderthal couple with a Homo sapiens baby. Meanwhile, in southern Russia, the U.N. investigation of a mysterious mass grave is cut short. One of the investigators, molecular biologist Kaye Lang, returns home to the U.S. to learn that her theory on human retroviruses has been verified with the discovery of SHEVA, a virus that has slept in our DNA for millions of years and is now waking up.

By the middle of the 21st century, humanity has managed to overcome a series of catastrophic events and maintain some sense of stability. Space exploration has begun again. Science has led the way. But then one day, the sun goes out. Solar panels are useless, and the world begins to freeze. Earth begins to fall out of its orbit. The end is nigh. Someone has sent us a sign.

It is the dawn of the 21st century, and America is in trouble. Public schools breed apathy and ignorance, and politics has become the art of the quick fix. There is one woman, though, who has both the vision and the money to leverage change. Mariesa Gorley van Huyten, heiress to one of the great American fortunes, is determined to bring America, and the rest of the world, back on track. She founds an educational subsidiary in hopes of raising a new, less cynical generation.

Nothing quite prepared telepath Larry Greenberg for mind-to-mind contact with an alien. In the interest of science, Larry tapped the mind of Kzanol - and that was his first mistake. Kzanol was a thrint from a distant galaxy. He had been trapped on Earth in a time-stasis field for two billion years. Now he was on the loose, and Larry knew everything he was thinking. Thrints lived to plunder and enslave lesser planets - and what the planet Kzanol had in mind was Earth!

Prescient and scientifically accurate, Heart of the Comet is known as one of the great hard SF novels of the 1980s. First published in 1986, it tells the story of an ambitious manned mission to visit Halley's Comet, alter its orbit, and mine it for resources. But all too soon, native cells - that might once have brought life to Earth - begin colonizing the colonists. As factions battle over the comet's future - and that of Earth - only love, courage, and ingenuity can avert disaster and spark a new human destiny.

As part of the Greatest Generation, Major Anthony Spinelli, a World War II fighter pilot, flew into combat to save his family and keep them free. Two years later, he lost them in the blink of an eye, leaving Tony rudderless and without purpose. Then, on a dark, moonless night, in the skies above 1947 New Mexico, he has an encounter that will change humanity forever. However, when an accident threatens to unleash unimaginable destruction, Tony must race against time and unwinding plots to save us...and maybe himself along the way.

A deadly cloud of spores has already infected and killed the inhabitants of two worlds. Now the plague is heading for Earth, threatening humans and aliens alike. Can either species be trusted to find the cure? Geneticist Marianne Jenner is immersed in the desperate race to save humanity, yet her family is tearing itself apart. Siblings Elizabeth and Ryan are strident isolationists who agree only that an alien conspiracy is in play. Marianne's youngest, Noah, is a loner addicted to a drug that constantly changes his identity.

From "the master of alternate history" comes a new trilogy that reimagines a mid-20th century in which General MacArthur, without bothering to consult President Truman, detonates nuclear warheads in several Manchurian cities after China enters the Korean War. In his acclaimed novels of alternate history, Harry Turtledove has scrutinized the twisted soul of the 20th century, from the forces that set World War I in motion to the rise of fascism in the decades that followed.

For nearly a billion years, every known sentient species in the universe has been the result of genetic and cultural guidance - or "uplifting" - by a previously uplifted patron race. Then humans are discovered. Having already uplifted chimps and dolphins, humanity clearly qualifies as an intelligent species, but did they actually evolve their own intelligence, or did some mysterious patron race begin the process, then suddenly abandon Earth?

"The Machine Stops" is a short science fiction story. It describes a world in which almost all humans have lost the ability to live on the surface of the Earth. Each individual lives in isolation in a "cell", with all bodily and spiritual needs met by the omnipotent, global Machine. Most humans welcome this development, as they are skeptical and fearful of first-hand experience. People forget that humans created the Machine, and treat it as a mystical entity whose needs supersede their own.

Starting with Captain Amos January, who quickly loses it, and then the others who fought, schemed, and killed to get it, we travel around the complex, decadent, brawling, mongrelized, interstellar human civilization that the artifact might save or destroy. Collectors want the Dancer, pirates take it, rulers crave it, and all will kill, if necessary, to get it. This is a thrilling yarn of love, revolution, music, and mystery, and it ends, as all great stories do, with shock and a beginning.

Conrad Brent protects the people of Brooklyn from monsters and magical threats. The snarky, wisecracking guardian also has a dangerous secret: He’s one in a million—literally. Magical ability comes to about one in every 30,000 and can manifest at any age. Conrad is rarer than this, however. He’s a middling, one of the half-gifted and totally despised. Most of the gifted community feels that middlings should be instantly killed. The few who don’t flat out hate them still aren’t excited to be around middlings.

Nova has lived all her life in The Garden, an island that floats above Earth, undetected. Her secret friendship with the Prince changed to something more and all that stands in the way of the life she’s been dreaming of is her Totem Ceremony–an age-old rite that assigns one of four elements she'll spend her life protecting. When Nova's ceremony goes horribly wrong, she's placed in a fifth Totem located in the Underworld. Humiliated and cast out, her only hope is to convince her true love’s arrogant, moody brother that there’s been some kind of terrible mistake.