Hard Science Fiction Space Opera

Quinn Dexter is loose on Earth, destroying the giant arcologies one at a time. As Louise Kavanagh tries to track him down, she manages to acquire some strange and powerful allies whose goal doesn't quite match her own. The campaign to liberate Mortonridge from the possessed degenerates into a horrendous land battle, the kind that hasn't been seen by humankind for 600 years; then some of the protagonists escape in a very unexpected direction.

Alex has decided they must be stopped and takes steps to do just that. Meanwhile, Earth runs up against the Imperium again and they don't like what happens next.

The Galactic Empire has prospered for 12,000 years. Nobody suspects that the heart of the thriving Empire is rotten, until psychohistorian Hari Seldon uses his new science to foresee its terrible fate. Exiled to the desolate planet Terminus, Seldon establishes a colony of the greatest minds in the Empire, a Foundation which holds the key to changing the fate of the galaxy.

The complete Torchship series in a single volume! Includes: Tochship, Torchship Pilot, and Torchship Captain. A captain who’ll take any job if there’s enough money in it. A pilot with an agenda of her own. And a mechanic with an eye on the pilot.

James McGill is called upon for a sabotage mission, one that only a man of his unique talents can handle. Unfortunately, he performs too well, and our enemies from Rigel are enraged. They come for us, and war is declared. When this conflict between the great powers spreads, humanity finds itself swept up in the storm. Can McGill escape this disaster he’s created?

Finally in English! A different kind of SF story, with a very special heroine. Only ten years old, Tanit is a genius and the youngest astrobiologist in history. For that reason she has been authorized to journey to the newly founded colony of Thuis, fifty light-years from Earth. There she will finally join her mother, who left for the colony two years before. But Tanit has no idea of the terrible events looming in her future that will force her to fend for herself in a hostile universe. First book of the popular Spanish science fiction series "In strange orbits". This episode is included in...

Now, as Turek readies an all-out attack on the Nexus system - a key conquest that could seal the rest of the galaxy's doom - Ky must rally to the challenge, draw upon every last reserve of her strategic skills, and reach deep if she is to tear from the ashes of tragedy her most decisive victory.

Restoring the empire that had been destroyed 45 years earlier, Emperor Colin finds problems in the genocidal Achuutani and in his children, Sean and Harriet, who have been marooned on a hostile planet.

In Battle Station, Kyle Riggs faces new challenges, new alien fleets, and learns the secrets behind the war he has been fighting for years. In the fifth book of the Star Force Series, the Eden system is in humanity's grasp, but can they keep it? Star Force is weak after a long war, and many yearn to go home. Knowing the machines will return with a new armada eventually, Riggs seeks a more permanent solution. Along the way, worlds are won and lost, millions perish, and great truths are revealed.

When humanity reaches for the stars, our probes are destroyed. They crash into an incredibly advanced piece of technology: a massive force-field. Unknown beings have placed a barrier around our star and planets, enclosing us within. We’re locked inside a Great Sphere. Was this invisible obstacle built to imprison us - or to protect us? No one knows the truth, but it soon becomes clear the barrier has leaks. Aliens infiltrate and try to sabotage our efforts to escape our cage.

The Year is 2040. The Marines have landed on Mars to guard the unearthed secrets of an ancient and dangerous alien race: Ourselves. Scientists have discovered something astonishing in the subterranean ruins of a sprawling Martian city: startling evidence of an alternative history that threatens to split humanity into opposing factions and plunge the Earth into chaos and war.

Separated from her ship, Major Trace Thakur is stranded on the reeh-occupied world of Rando. The native corbi have suffered beneath reeh tyranny for 800 years, and many have given up hope. But Trace needs the data stored in the reeh’s genetic technology and command center - the Rando Splicer - if she’s to learn how to save humanity from impending disaster, and is planning an assault against overwhelming odds. She’ll need help from the UFS Phoenix, though, which is caught in a ritual medieval battle to change the croma leadership.

Trantor had extended its rule over half the Galaxy, but the other half defied its authority, defending their corrupt fiefdoms with violence and repression. On the planet Florina, the natives labored as slaves for their arrogant masters on nearby Sark. But now both worlds were hurtling toward a cataclysmic doom, and only one man knew the truth - a slave unaware of the secret knowledge locked inside his own brain. Rik had once been a prominent scientist until a psychic probe erased all memories of his past. Now he was a humble laborer in the kyrt mills of Florina.

After the mysterious discovery of an alien mech inside a comet, Darkstream Security has finally completed its own design. They assign Chief Gabriel Roach with the task of whittling down hundreds of bright young recruits to form a team of elite mech pilots, which he will command. Their mission: protect human colonies from the almighty Quatro. A single Quatro can take down an entire squad of traditional soldiers. But Roach is the perfect one for the job.

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.

One Operator. One Kid. One Mission. They said it would be a simple job: collect the daughter of a high-profile dignitary and return her to the capital. But Val Standish knows that no mission survives first contact. Alone, without support, Standish finds herself up against multiple adversaries, with only her wits and skills to keep her cargo and herself alive.

In the vast, domed cities of Earth, artificial intelligence is strictly controlled; in the distant Outer Worlds, colonists and robots live side by side. A Spacer ambassador is found dead and detective Elijah Baley is assigned to find the killer. But with relations between the two cultures in the balance, the Spacers insist that he work with a partner of their choosing – a robot partner, R. Daneel Olivaw. Baley has never seen a robot like Daneel before – and soon, though the Three Laws of Robotics should render the crime impossible, Baley’s partner becomes his prime suspect.

The tribal Braxan - created to become the ultimate warriors. The Azeans - raised to master the power of the mind. Two civilizations fighting an endless war over a long-forgotten cause. Now, after a century and a half, the legacy of their greatest military leaders threatens to tear apart both empires.

In space, mutiny means death - that’s why Inspector General Park Yerim is taking her investigation so seriously. The alleged mutineer is Captain Nicolau Aames, whose command of the massive Earth-Mars vessel Aldrin has come under fire. The vast System Initiative says he disobeyed orders, but his crew swears he’s in the right. En route to Mars, Park gathers testimony from the Aldrin’s diverse crew, painting a complex picture of Aames’s character: his heroism, his failures, even his personal passions.

Planet Moscow is vaporized by an unnatural star explosion, prompting those who escaped to counterattack the likely culprit - planet New Dresden of the neighboring system. But New Dresden wasn't to blame, and as worlds go to war, an unseen enemy labors to destroy the universe itself.