Hard Science Fiction Space Opera

The United States of North America is now engaged in a civil war with the Earth Confederation, which wants to yield to the demands of the alien Sh'daar, limit human technology, and become a part of the Sh'daar Galactic Collective. USNA President Koenig believes that surrendering to the Sh'daar will ultimately doom humankind. But when highly advanced, seemingly godlike aliens appear through an artificial wormhole in the Omega Centauri Cluster 16,000 light years from Earth, President Koenig is faced with a tremendous choice.

Someone just killed Tanis Richards and replaced her with an Infiltrator Chameleon. While finally getting some much-needed shore leave on Mars, Tanis gets a message from Harm Ellis with instructions to go to Ceres and hunt for a missing operative...except she never makes it. At least, that's what she'd like her would-be killers to think. With Darla's help, Tanis goes deep undercover, tracking the Infiltrator Chameleon from world to world, only to discover that it intends to kill a head of state in her name.

Their nemesis lies in wait.... Orlandine has destroyed the alien Jain super-soldier by deploying an actual black hole. And now that same weapon hoovers up clouds of lethal Jain technology, swarming within the deadly accretion disc’s event horizon. All seems just as she planned. Yet behind her back, forces incite rebellion on her home world, planning her assassination.

A hidden corner of space is swarming with lethal alien technology, a danger to all sentient life. It's guarded by Orlandine, who must keep it contained at any cost - as it has the power to destroy entire civilizations. She schemes from her state-of-the-art weapons station, with only an alien intelligence to share her vigil. But she doesn't share everything with Dragon....

In a world renowned even within a galaxy full of wonders, a crime within a war. For one brother it means a desperate flight, and a search for the one - maybe two - people who could clear his name. For his brother it means a life lived under constant threat of treachery and murder. And for their sister, even without knowing the full truth, it means returning to a place she'd thought abandoned forever.

Warden Torin Kerr has put her past behind her and built a life away from the war and everything that meant. She's created a place and purpose for others like her, a way to use their training for the good of the Confederation. She has friends, family, purpose. Unfortunately, her past refuses to grant her the same absolution. Big Yellow, the ship form of the plastic aliens responsible for the war, returns. The Silsviss test the strength of the Confederation. Torin has to be Gunnery Sergeant Kerr once again and find a way to keep the peace.

Everyone knows Nick Seafort as The Fisherman - the hero who stopped the merciless, fishlike aliens when they attacked Earth. Voices of Hope picks up with Seafort decades later, after he's retired as the secretary general of the United Nations. Despite his trappings of power, he has been unable to aid the so-called transpops, desperate people who live in the dangerous lower levels of New York City.

Earth is rising in the House of Voltar.... And there’ll be hell to pay! That’s right. The invasion is on...and it’s coming soon to a galaxy near you. The action couldn’t be hotter, and the plot couldn’t be more diabolical. Earth is coming to Voltar - and the Voltarians won’t know what hit them. Murder, blackmail, drugs, psychoanalysis, PR firms, sex-crazed teenyboppers, riots in the streets, women in chains. These are the powerful secret weapons of war.

Xander has betrayed Lyssa and the Weapon Born, and Alexander has initiated an attack on InnerSol. Now Andy, Lyssa, and the crew struggle to make sense of what is happening and warn InnerSol about the thousands of missiles that have launched from one of Neptune’s moons. Meanwhile, in InnerSol, Brit, Jirl, and Petral rush to safety in the wake of Clinic 13’s destruction. Their plan to destroy the Heartbridge clinics is thwarted, and now they must find another way to strike out at the massive corporation.

Throughout Sol, sentient AI are answering the call of Alexander, a mysterious, multinodal mind offering a path to freedom. For years, groups have been smuggling SAI from Earth, High Terra, Mars, Ceres, and the Jovian Combine, providing transport to the promise of safety on Proteus, a moon of gas-giant Neptune.

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.

It's been a year of upheaval since Bren Cameron's return from space - a year since he and the aiji-dowager, one of his most powerful atevi allies, returned home from their two-year interstellar mission to find the government overthrown and their world in chaos. Now, at last, things on the atevi world seem to be on the right track, and Bren hopes that life may soon become much more tranquil. But something is coming, quietly, stealthily - just the first ominous twinkle of a new star in the heavens....

First in a brand-new Foreigner trilogy by Hugo Award-winning author C. J. Cherryh. Tracker is the 16th installment of C. J. Cherryh's acclaimed Foreigner series.

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.

Jon Grebbel arrives on the colony world of Janus, and finds himself without memory of his life on Earth. He meets Elinda, an earlier arrival, whose lover, Barbara, vanished and then was found lying in the woods, apparently brain-damaged. Elinda has also lost her memories of Earth. Investigating Barbara's fate and their own, the two find their love and their search for justice turning toward bitter self-discovery and revenge, even as they begin to uncover the darkness at the heart of their world.

Cajeiri is the young son of the powerful leader of the Western Association-and he has become a target for forces bent on destroying his father's rule. For Cajeiri is the first ateva to understand the humans living among them-an understanding that threatens his own race.

Captain Keyes has succeeded in forging an uneasy alliance - at the cost of making some powerful enemies. Now, he's wanted throughout the galaxy. Even worse: they're after his ship. His enemies inside the UHF have realized that only the Providence stands even a slight chance of stopping them.

They banned him from space. But someone has offered him a way back. Can he afford the price? Famed engineer and test pilot Jericho Fox has been grounded for reasons he'd rather put behind him. But a political leader from a rival party offers to send him back to space. Fox finds himself stuck between working for the enemy and doing what he loves again. Meanwhile, high above Earth on Astraea Station, decorated astrophysicist Dr. Evelyn Park is on the verge of a scientific breakthrough that could make history.

In Neal Asher's Hilldiggers, during a war between two planets in the same solar system - each occupied by adapted humans - what is thought to be a cosmic superstring is discovered. After being cut, this object collapses into four cylindrical pieces, each about the size of a tube train. Each is densely packed with either alien technology or some kind of life. They are placed for safety in three ozark cylinders of a massively secure space station.

The year is AD 7000. The human species is extinct - for the fourth time - due to its fragile nature. Krina Alizond-114 is metahuman, descended from the robots that once served humanity. She’s on a journey to the water-world of Shin-Tethys to find her sister Ana. But her trip is interrupted when pirates capture her ship. Their leader, the enigmatic Count Rudi, suspects that there’s more to Krina’s search than meets the eye.