Showing titles in Hard Science Fiction

A year ago the Kher Empire was forced to retreat, but they were not beaten. In Orion Fleet, they return with a new weapon. A huge ship driven by AI begins methodically grinding inhabited worlds to dust. This unstoppable enemy is without fear or remorse, and the Rebels begin a desperate battle just to slow its advance. Leo Blake takes Earth's first warship into space to find a counter to this deadly new attack. The Imperial Fleets take notice of Earth's interference, and they're intent upon revenge. Even if he wins, Blake might have doomed our homeworld.

Comet Anduru skimmed the clouds of Saturn. Rather than being drawn into the gas giant, it skipped back out into space. With the comet heading for Jupiter, speculation is mounting it’s an alien spacecraft making its way to Earth. Lieutenant Colonel Nolan Landis and Dr. Kath McKenzie are caught between an angry public and an anxious President as they grapple with the scientific, social, and political implications of first contact.

As Hari Seldon struggles to perfect his revolutionary theory of psychohistory and ensure a place for humanity among the stars, the once-mighty Galactic Empire totters on the brink of apocalyptic collapse. Caught in the maelstrom are Seldon and all he holds dear, pawns in the struggle for dominance. Whoever can control Seldon will control psychohistory—and with it the future of the galaxy. Among those seeking to turn psychohistory into the greatest weapon known to man are a populist political demagogue, the weak-willed Emperor Cleon I, and a ruthless militaristic general.

In the fourth book of the series, James McGill is up for promotion. Not everyone is happy about that, and McGill must prove he's worth his stripes. Deployed to a strange alien planet outside the boundaries of the Galactic Empire, he's caught up in warfare and political intrigue. Earth expands, the Cephalopod Kingdom launches ships to stop us, and a grand conspiracy emerges among the upper ranks of the Hegemony military.

Fleet of Worlds takes a closer look at Human-Puppeteer (Citizen) relations and the events leading up to Niven's first Ringworld novel. Kirsten Quinn-Kovacks is among the best and brightest of her people. She gratefully serves the gentle race that rescued her ancestors from a dying starship, gave them a world, and nurtures them still. If only the Citizens knew where Kirsten's people came from.

Rebels build a secret base on Green World. Their plan is to attack Earth and retake all the planets the humans have conquered. Hegemony starships gather to strike the Rebels first, but where is their base? As the fleets search, Earth warships trespass into Skay space, igniting a fresh border conflict between rival Galactics. When James McGill stumbles onto the rebel camp, they’re forced to step up their plans. The world goes up in flames. Friends are permed and cities are destroyed as everything spins out of control.

In the twentieth century Earth sent probes, transmissions and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy.

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.

They hunt us. They bomb our worlds for target practice. A star cluster in the constellation of Orion rotates once every thousand years. Those who rule there have an ancient tradition: When each cycle ends, they train their fleets by spilling the blood of lesser beings. The enemy fleets are coming again. In response, the Rebel Worlds gather their starships to face the terrifying threat, and this time humanity is asked to stand with them.

The culminating volume in The Saga of Seven Suns weaves together the myriad story lines in a spectacular grand finale. Galactic empires clash, elemental beings devastate whole planetary systems, and the factions of humanity are pitted against one another. Heroes rise and enemies make their last stands in the climax of an epic tale eight years in the making. The Saga of Seven Suns is one of the most colorful and spectacular science-fiction epics of the past decade.

In the second book of the Star Force series, Kyle Riggs has another bad year. The Nano ships have a new mission--one that sentences their pilots to death. Meanwhile, the governments of Earth want to steal Star Force's Nano technology for their own. Worst of all, Earth has made a promise to the Macros, and the machines are coming to collect.

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.

The Phage War had been a devastating conflict for the Terran Confederacy. Even with the destruction of their terrifying, implacable foe, humanity is still reeling. Political alliances are crumbling, and their mighty fleet is in tatters. There is nothing to celebrate, even after such a complete victory. They soon learn that there are other stellar neighbors - and they've been watching the conflict with great interest. One species comes with an offer of friendship and alliance, but humanity is weary and distrustful.

Fifty years ago, Mira, humanity's last hope to find new resources, exited the solar system bound for Proxima Centauri B. Seven years into her mission, all transmissions ceased without warning. Mira and her crew were presumed lost. Humanity, unified during her construction, splintered into insurgency and rebellion.

Rigel is a thousand lightyears farther from the Core Worlds than Earth, so they suffer the first attacks. The mood at Central is jubilant. Our greatest rival is falling—now is the time to strike while they’re weak! Legion Varus is deployed to Jungle World, a vital planet deep in Rigellian territory. Our foes, fighting on two fronts, are driven back with ease. But one man questions the wisdom of this move. Should Earth expand with greed, aiding new monsters from the Galactic Rim? That lone voice of reason comes from James McGill.

For centuries, men and women have manned lighthouses to ensure the safe passage of ships. It is a lonely job and a thankless one for the most part. Until something goes wrong. Until a ship is in distress. In the twenty-third century, this job has moved into outer space. A network of beacons allows ships to travel across the Milky Way at many times the speed of light. These beacons are built to be robust. They never break down. They never fail. At least, they aren’t supposed to.

Humanity has taken to the stars, using faster-than-light travel to reach distant planets and new worlds. But in the far reaches of the galaxy, John Grant will discover a planet of humans who believe he has travelled not only through space to find them, but time. On Apis, the mysterious Fermi appear to have vanished, taking with them knowledge of the universe that humanity desires. But Marcus Owen, the robot AI now plagued with sentience, knows that the Fermi would not easily abandon the native life of Apis.

The Darshik war machine is flagging, but the war is far from over. Even as an exhausted Federation military tenses up for a counterattack after repelling the last Darshik invasion, reports are coming in of a new, more powerful class of ship that's striking deep into Terran space. Captain Jackson Wolfe has been given the fleet's newest, most advanced destroyer and tasked with eliminating this new threat before it can claim any more human lives. What he finds, however, is immeasurably more dangerous than just some new class of starship....

Trapped on an alternate Earth, the combined crews of a crashed Russian spaceship, a British expeditionary force and a group of strays from the future must work together to survive, escape and discover what led them to this point. All are from parallel universes where small changes in history led to different realities, and the tensions between the groups are rising.

Nick Morrison always wanted to be an astronaut. When a start-up company recruits him to build a lunar launch system at the moon’s south pole, Nick gladly leaves behind his troubled life on Earth—but Nick doesn’t know that the company is in financial and legal trouble. Deprived of support from Earth, the team on the moon must figure out how to survive on their own. Worse yet, there’s another base at the lunar south pole, run by a ruthless contractor who has big plans for the moon...and for Earth.