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.

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.

It is 997 CE, the end of the Dark Ages. England is facing attacks from the Welsh in the west and the Vikings in the east. Those in power bend justice according to their will, regardless of ordinary people and often in conflict with the king. Without a clear rule of law, chaos reigns. In these turbulent times, three characters find their lives intertwined.

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?

It was just before Summertide, the time when the twin planets, Opal and Quake, would orbit closest to their sun, subjecting both - Quake in particular - to vast tidal forces. It was to be the most violent Summertide ever, creating something that only happened every 350,000 years. Planetary Administrators Hans Rebka and Max Perry had no choice but to go to Quake - risking their lives to protect the others - and to learn, just maybe, the secret of Summertide and the Builders.

Edmund Gunderson—former Terran governor of the colony world of Belzagor—returns eight years after the planet has gained independence, drawn back for reasons he can’t quite explain. Things have changed significantly since he left, and he plays his part well—slightly pompous former government official—for the tourists he encounters on the way down. But this is more than a simple sight-seeing visit. As Gunderson comes face-to-face with the consequences of his former attitudes and actions, he finds himself on a journey—both physical and spiritual—to the legendary mountain of rebirth.

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.

Travel to other planets is now a reality, and with overpopulation stretching the resources of Earth, the necessity of finding habitable worlds is growing ever more urgent. There’s a problem though—because the spaceships are slower than light, any communication between the exploring ships and Earth would take years.

Tom and Pat are identical twin teenagers. As twins they’ve always been close, so close that it seemed like they could read each other’s minds.

Andrea Vernon always thought she would spend her life living in Paris writing thought-provoking historical novels all day and sipping wine on the Seine all night. But the reality is she's drowning in debt, has no prospects, and is forced to move back to Queens, where her parents remind her daily that they are very interested in grandchildren. Then, one morning, she is kidnapped, interviewed, and hired as an administrative assistant by the Corporation for UltraHuman Protection. Superheroes for hire, using their powers for good. What could possibly go wrong?

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.

Set in 2082, Peter Watts' Blindsight is fast-moving, hard SF that pulls readers into a futuristic world where a mind-bending alien encounter is about to unfold. After the Firefall, all eyes are locked heavenward as a team of specialists aboard the self-piloted spaceship Theseus hurtles outbound to intercept an unknown intelligence.

Lynesse is the lowly Fourth Daughter of the queen, and always getting in the way. But a demon is terrorizing the land, and now she's an adult (albeit barely) with responsibilities (she tells herself). Although she still gets in the way, she understands that the only way to save her people is to invoke the pact between her family and the Elder sorcerer who has inhabited the local tower for as long as her people have lived here (though none in living memory has approached it).

The Mote In God's Eye is their acknowledged masterpiece, an epic novel of mankind's first encounter with alien life that transcends the genre. No lesser an authority than Robert A. Heinlein called it "possibly the finest science fiction novel I have ever read".

Francis Saxover and Diana Brackley, two scientists investigating a rare lichen, discover it has a remarkable property: it retards the aging process. Francis, realising the implications for the world of an ever-youthful, wealthy elite, wants to keep it secret, but Diana sees an opportunity to overturn the male status quo by using the lichen to inspire a feminist revolution. As each scientist wrestles with the implications and practicalities of exploiting the discovery, the world comes ever closer to learning the truth.

At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredibly, an interstellar spacecraft. Space explorers and planet-bound scientists alike prepare for mankind's first encounter with alien intelligence.

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!

The Singularity. It is the era of the posthuman. Artificial intelligences have surpassed the limits of human intellect. Biotechnological beings have rendered people all but extinct. Molecular nanotechnology runs rampant, replicating and reprogramming at will. Contact with extraterrestrial life grows more imminent with each new day.

On Mars, the harsh climate could make any colonist turn to drugs to escape a dead-end existence. Especially when the drug is Can-D, which transports its users into the idyllic world of a Barbie-esque character named Perky Pat. When the mysterious Palmer Eldritch arrives with a new drug called Chew-Z, he offers a more addictive experience, one that might bring the user closer to God. But in a world where everyone is tripping, no promises can be taken at face value.

Wan-To was the oldest and must powerful intelligence in the universe, a being who played with star systems as a child plays with marbles. Matter occupied so tiny a part of his vast awareness that humans were utterly beneath his notice.