Our universe is ruled by physics, and faster-than-light travel is not possible - until the discovery of The Flow, an extradimensional field we can access at certain points in space-time that transports us to other worlds, around other stars. Humanity flows away from Earth, into space, and in time forgets our home world and creates a new empire, the Interdependency, whose ethos requires that no one human outpost can survive without the others. It's a hedge against interstellar war - and a system of control for the rulers of the empire.

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 what is considered one of Heinlein's most hair-raising, thought-provoking, and outrageous adventures, the master of modern science fiction tells the strange story of an even stranger world. It is 21st-century Luna, a harsh penal colony where a revolt is plotted between a bashful computer and a ragtag collection of maverick humans, a revolt that goes beautifully until the inevitable happens. But that's the problem with the inevitable: it always happens.

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".

A girl named Rose is riding her new bike near her home in Deadwood, South Dakota, when she falls through the earth. She wakes up at the bottom of a square hole, its walls glowing with intricate carvings. But the firemen who come to save her peer down upon something even stranger: a little girl in the palm of a giant metal hand.

For fans of The Martian, an extraordinary new thriller of the future from number one New York Times - best-selling and Pulitzer Priz - winning author John Sandford and internationally known photo-artist and science fiction aficionado Ctein. The year is 2066. A Caltech intern inadvertently notices an anomaly from a space telescope - something is approaching Saturn, and decelerating. Space objects don’t decelerate. Spaceships do.

There is a starship in trouble, lost in the void, with no one awake to hear the alarms. A thousand specially selected people left a troubled and unsustainable Earth for another world. Their dream was a new start on a virgin planet 30 years away. Their ship was state-of-the-art and entirely automatic, it's passengers safely sleeping through the journey - but something has gone wrong, something unexpected.

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.

After the fall of the American Ayatollahs as foretold in Stranger in a Strange Land and chronicled in Revolt in 2100, the United States of America at last fulfills the promise inherent in its first Revolution: for the first time in human history there is a nation with Liberty and Justice for All. No one may seize or harm the person or property of another, or invade his privacy, or force him to do his bidding. Americans are fiercely proud of their re-won liberties and the blood it cost them; nothing could make them forswear those truths they hold self-evident. Nothing except the promise of immortality…

When the technology for twisting to other probability patterns was developed, a grateful Earth solved its overcrowding by sending people to live on Earths where plants and animals never got started. Each family could have its own planet, because there was an infinite number of such alt-Earths available, and the computers never assigned the same one twice. Trouble was - someone else had the same idea!

Jon Ryan is irreverent, cocky, funny, and walks with a swagger. The cocky fighter pilot turned astronaut is also Earth's only chance for survival. The planet Jupiter, thrown off orbit, will destroy Earth in less than a century. Jon volunteers for the most ambitious, desperate mission ever conceived: His consciousness must be transferred into an experimental android host, where he'll live an immortal - and lonely - life. Jon's only companion on his 50-year voyage is his ship's irritable AI.

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.

Dimension of Miracles is a satirical science fiction novel first published by Dell in 1968. It's about Tom Carmody, a New Yorker who, thanks to a computer error, wins the main prize in the Intergalactic Sweepstakes. Tom claims his prize before the error is discovered and is allowed to keep it. However, since Tom is a human from Earth without galactic status and no space traveling experience, he has no homing instinct that can guide him back to Earth once his odyssey begins - and the galactic lottery organizers cannot transport him home.

The totalitarian East has triumphed in a massive invasion, and the United States has fallen to a dictatorial superpower bent on total domination. That power is consolidating its grip through concentration camps, police state tactics, and a total monopoly upon the very thoughts of the conquered populace. A tiny enclave of scientists and soldiers survives, unbeknownst to America’s new rulers. It’s six against six million - but those six happen to include a scientific genius, a master of subterfuge and disguise who learned his trade as a lawyer-turned-hobo, and a tough-minded commander....

Ender Wiggin won the Third Formic war, ending the alien threat to Earth. Afterwards, all the terraformed Formic worlds were open to settlement by humans, and the International Fleet became the arm of the Ministry of Colonization, run by Hirum Graff. MinCol now runs Fleet School on the old Battle School station, and still recruits very smart kids to train as leaders of colony ships, and colonies.

After the fall of the American Ayatollahs as foretold in Stranger in a Strange Land and chronicled in Revolt in 2100, the United States of America at last fulfills the promise inherent in its first Revolution: for the first time in human history there is a nation with Liberty and Justice for All. No one may seize or harm the person or property of another, or invade his privacy, or force him to do his bidding. Americans are fiercely proud of their re-won liberties and the blood it cost them; nothing could make them forswear those truths they hold self-evident. Nothing except the promise of immortality…

Humans call them Monument-Makers. An unknown race, they left stunning alien statues scattered on distant planets throughout the galaxy, encoded with strange inscriptions that defy translation. Searching for clues about the Monument-Makers, teams of 23rd century linguists, historians, engineers and archaeologists have been excavating the enigmatic alien ruins on a number of planets, uncovering strange, massive false cities made of solid rock. But their time is running out.

Aliens are spying on Earth from one of the four worlds that make up the Warden Diamond. But it is impossible to send agents to any of the four worlds because of unique microscopic symbionts that make it impossible for visitors to leave the Diamond. Seeking a unique solution, each of the four worlds making up the Diamond is sent a person whose mind has been stripped of everything and who is now controlled by an agent of the Confederacy. Lilith is the first planet to be visited.

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.

Pilot X is Ambassador of the Alendans, a race with the ability to move through space and time as guardians of the timeline. Locked in ongoing conflict with the Sensaurians, an organic hive mind that can send messages in thought throughout its own history, and the Progons, a machine race who can communicate backwards in time, Pilot X finally manages to create peace among the three races.

When the technology for twisting to other probability patterns was developed, a grateful Earth solved its overcrowding by sending people to live on Earths where plants and animals never got started. Each family could have its own planet, because there was an infinite number of such alt-Earths available, and the computers never assigned the same one twice. Trouble was - someone else had the same idea!

Roger Torraway watched in horror as the monster lurched, toppled over and died. Project Man Plus had gone suddenly and drastically wrong. The race to colonize Mars was too important, too costly, and America was already too committed, for plans to be scrapped. They would have to make a new Martian. And Roger Torraway was it, candidate for the endless surgery, operation after painful operation, that would enable him to survive on that faraway planet.

Doctor Toby Glyer has effected miracle cures with the use of nanotechnology. But Glyer’s controversial nanites are more than just the latest technological advance, they are a new form of life - and they have more uses than just medical. Glyer’s nanites also have the potential to make everyone on Earth rich from the wealth of asteroids.

The date is 1966 of the Galactic Era, almost three thousand years from now, and the Republic, created by the human race - but not yet dominated by it - finds itself in an all-out war. They stand against the Teroni Federation, an alliance of races that resent Man's growing military and economic power. The main battles are taking place in the Spiral Arm and toward the Core. But far out on the Rim, the Theodore Roosevelt is one of three ships charged with protecting the Phoenix Cluster.

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".

The first book in C.J.Cherryh's eponymous series, Foreigner begins an epic tale of the survivors of a lost spacecraft who crash-land on a planet inhabited by a hostile, sentient alien race. From its beginnings as a human-alien story of first contact, the Foreigner series has become a true science fiction odyssey, following a civilization from the age of steam through early space flight to confrontations with other alien species in distant sectors of space. It is the masterwork of a truly remarkable author.

Our universe is ruled by physics, and faster-than-light travel is not possible - until the discovery of The Flow, an extradimensional field we can access at certain points in space-time that transports us to other worlds, around other stars. Humanity flows away from Earth, into space, and in time forgets our home world and creates a new empire, the Interdependency, whose ethos requires that no one human outpost can survive without the others. It's a hedge against interstellar war - and a system of control for the rulers of the empire.

When aliens trundled a gate to other worlds into the solar system, the world reacted with awe, hope and fear. But the first aliens to come through, the Glatun, were peaceful traders and the world breathed a sigh of relief.

Boss loves to dive historical ships, derelict spacecraft found adrift in the blackness between the stars. Sometimes she salvages for money, but mostly she's an active historian. She wants to know about the past--to experience it firsthand. Once she's dived the ship, she'll either leave it for others to find or file a claim so that she can bring tourists to dive it as well. It's a good life for a tough loner, with more interest in artifacts than people.

Aboard the Starship Shenzhou, Lieutenant Michael Burnham, a human woman raised and educated among Vulcans, is promoted to acting first officer. But if she wants to keep the job, she must prove to Captain Philippa Georgiou that she deserves to have it.