Showing titles in Hard Science Fiction

Come back to the Ringworld - the most astonishing feat of engineering ever encountered. A place of untold technological wonders, home to myriad humanoid races, and world of some of the most beloved science fiction stories ever written.

The human Louis Wu; the puppeteer known as the Hindmost; Acolyte, son of the Kzin called Chmeee: legendary beings brought together once again in the defense of the Ringworld. Something is going on with the protectors.

Andrew Harlan’s job is to range through past and present centuries monitoring and even altering Time’s myriad cause-and-effect relationships. As a Technician with the Allwhen Council, he initiates Reality Changes that may affect the lives of as many as fifty billion people – and a million or more of them may be so drastically affected as to be considered new individuals. Above all, therefore, a Technician must be dispassionate. An emotional make-up is a distinct handicap. Then Harlan meets Noÿs and falls victim to a phenomenon older than Time itself – love.

From the bestselling author of Lost in Time and Quantum Radio comes a new mind-bending thriller: a group of strangers with tinnitus begins seeing numbers—numbers they soon realize are a code that will change the world.

Commodore Straker's rebellion grows in strength - but his enemies are growing even faster. Faced with a dozen rebel planets in their territory, the Mutuality finally takes notice of the upstart known as the Liberator, and they gather a vast fleet to crush him. Preparing for a titanic interstellar battle, it's clear Straker has no chance. His tiny enclave of free planets can't survive the weight of 1000 worlds. His own officers realize this, and some of them begin to turn against him....

As winter ebbs away, the true horror emerges. Shaun, reunited with Abbie, struggles with he emotional roller coaster of searching for Lydia. Each day they don’t find her is another day she could be further away.

The very far future: The Galaxy is a drifting wreck of black holes, neutron stars, chill white dwarfs. The age of star formation is long past. Yet there is life here, feeding off the energies of the stellar remnants, and there is mind, a tremendous Galaxy-spanning intelligence each of whose...

The starship Earthling, filled with thousands of hibernating colonists en route to a new world at Tau Ceti, is stranded beyond the solar system when the ship's three organic mental cores—disembodied human brains that control the vessel's functions—go insane. The emergency skeleton crew sees only one chance for survival: build an artificial consciousness in the Earthling's primary computer that can guide them to their destination—and hope it doesn't destroy the human race.

Ransom and Britt attempt to settle into a new life, but a dreadful threat is constantly hanging over their heads. The settlers in Tucson know their time is limited. An invasion is underway. Peggy is adamant they can destroy the Glass, but it will take a trip to another time and place to ensure it remains off. Cedric, under a cloud of doubt, must decide where his true allegiance leans. There is hope—a military base with something that could change the tides of their future. No one seems to have remembered the base exists, but they search for their salvation.

The inspiration for the Netflix series 3 Body Problem! WINNER OF THE HUGO AWARD FOR BEST NOVEL Over 1 million copies sold in North America “A mind-bending epic.”—The New York Times “War of the Worlds for the 21st century.”—The Wall Street Journal “Fascinating.”—TIME ...

Line War is the fifth and final novel in Neal Asher's action-packed Agent Cormac series. The human Polity worlds are under attack from Erebus, a renegade AI. And it’s now merged with lethal Jain technology, and isn’t afraid to use it. When Erebus kills millions, on a world of no apparent...

Lynn Raven thought she was fighting for glory and fortune. Instead, she finds she’s fighting for humanity’s very survival. But how do you defeat something you can’t see or understand? The world’s best and brightest have come together to give humanity a fighting chance, and now Lynn has to find her place in the war effort. Boldness and competence are no longer a gaming mask to put on for the cameras, but a vital mindset shift she needs to survive. Can Lynn and her online persona, Larry, become one, and if they do, will it be enough?

Hugo Award-winning author Egan returns to the field with Incandescence, a novel of hard SF. The Amalgam spans nearly the entire galaxy, and is composed of innumerable beings from a wild variety of races, some human or near it, some entirely other. The one place that they cannot go is the bulge, the bright, hot center of the galaxy. There dwell the Aloof, who for millions of years have deflected any and all attempts to communicate with or visit them.

The People's Republic of Haven made a tiny mistake when it announced the execution of Honor Harrington. It seemed safe enough. After all, she was already dead. Unfortunately, they were wrong. Now Honor has escaped from the prison planet called Hell and returned to the Manticoran Alliance with a few friends. Almost half a million of them, to be precise including some who know what really happened when the Committee of Public Safety seized power in the PRH.

In the near future, disease will be a condition of the past. Most genetic defects will be removed at birth; the remaining during infancy. Unfortunately, there will be a generation left behind. For members of that missed generation, small advances will be made. Through various programs, they will be taught to get along in the world despite their differences. They will be made active and contributing members of society. But they will never be normal.

In the 25th century, humans have conquered space. The advent of faster-than-light travel has opened up hundreds of habitable planets for colonization, and humans have exploited the virtually limitless space and resources for hundreds of years with impunity. So complacent have they become with the overabundance that armed conflict is a thing of the past, and their machines of war are obsolete and decrepit. What would happen if they were suddenly threatened by a terrifying new enemy?

Tiona, Vaz's daughter, is starting grad school in physics, has a "bad boy" musician boyfriend, and does her own strange variety of charity work at a homeless shelter. Her professor has her start work on a project to try to achieve high-temperature superconduction by doping the graphene membranes her lab partner has figured out how to precipitate.

The Earth lies shaken in the aftermath of a conspiracy. Some of the smartest minds on the planet have striven for and died in an effort to scour the skies of four vast alien satellites, but their success has brought a terrible vengeance down upon us. While alien agents stalk the Earth, a team of exhausted scientists and military outcasts struggle to fight them among a planet on the brink - the brink of plague, the brink of war, and the brink of an invasion larger than they can possibly imagine. But they have allies.

Earth is locked in a dangerous arms race with Rigel. McGill’s efforts at diplomacy are disastrous. Events spin out of control and interstellar warfare consumes the outer provinces of the Empire. Great fleets are gathered, and troops are hurried aboard transports. Legion Varus is launched toward a secret target world. McGill leads an early strike against Rigel’s defenses, but his efforts are foiled at every turn. Who could be behind these betrayals? Could his own government be plotting his demise?

Neanderthals have developed a radically different civilization on a parallel Earth. A Neanderthal physicist, Ponter Boddit, accidentally passes from his universe into a Canadian underground research facility. Fortunately, a team of human scientists, including expert paleo-anthropologist Mary Vaughan, promptly identifies and warmly receives Ponter. Solving the language problem and much else is a mini-computer, called a Companion, implanted in the brain of every Neanderthal.

It's a brave new Britain under the New Management. The Prime Minister is an eldritch god of unimaginable power. Crime is plummeting as almost every offense is punishable by death. And everywhere you look, there are people with strange powers, some of which they can control, and some, not so much...