Hard Science Fiction Space

Center of Gravity is the second book in the explosive Star Carrier series by Ian Douglas - and a breathtaking new high in military SF, the strongest of the science fiction subgenres. Battlestar Galactica fans will adore this saga of ultimate war in deep space, as humankind risks its very future, battling a vast alien evil empire in order to achieve transcendence and become a major power in the universe.

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....

On Aurora, the first and greatest of the Spacer planets, Elijah Baley and R. Daneel Olivaw investigate yet another seemingly impossible crime – this time, a roboticide. Someone has destroyed the positronic mind of R. Jander Panell, a humanoid twin to Daneel. His creator, the master roboticist Han Fastolfe, denies all involvement. So does Gladia Delmarre, the robot’s owner. And lover.

Are you ready for a thrilling journey through the depths of space? Then look no further than "Shackled in Space" by Alexander Hawthorne. In this pulse-pounding science fiction adventure, you'll be transported to a distant galaxy where a group of prisoners have been exiled to an inhospitable planet. With no hope of escape and a hostile environment to contend with, they must band together if they have any chance of survival. But as tensions rise and alliances are tested, the prisoners quickly realize that the greatest threat to their survival may come from within. Will they be able to ...

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 Dusahn Empire has been contained for the moment. But there is much work to be done in order to keep them from reasserting their dominance over the Pentaurus sector. As much as Captain Scott wants to see the Empire destroyed, he may have no choice but to find a way to coexist with them.

Humanity had appeared to fend off the Sh'daar assault once and for all, though they never learned why the alien empire was driven to halt Earth's advancement toward technological Singularity. But in this war of worlds, victory is always elusive. And now a new battle begins. After 20 years of peace, not one but two fragile truces are unraveling. Alexander Koenig, the former Navy commander whose heroics forced the Sh'daar into submission, has won a second term as President of the United States of North America. But pursuing his mandate - sovereignty from the centuries-old Earth Confederation - becomes a risky proposition....

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.

With the planet's fighting men and women deployed across the galaxy - battling in the noble cause of enslaved humanity - the insidious Xul have reached across space to devastate the unsuspecting Earth with asteroid fire. Without warning, a once-majestic world is reduced to near-rubble - and the very future of humankind is in dire jeopardy. Interplanetary leaders are on the brink of abandoning Earth and its colonies to an overwhelming enemy. But Brigadier General Garroway of the Marine Interstellar Expeditionary Unit is unwilling to concede defeat.

When a young physicist unveils an efficient star drive capable of reaching the core of the galaxy, veteran star pilot Priscilla "Hutch" Hutchins finds herself back in the deepest reaches of space, and on the verge of discovering the origins of the deadly Omega clouds that continue to haunt her.

Two years have passed since comet Anduru skimmed the clouds of Saturn on its way to Earth. Kath and Nolan are looking for answers, trying to find ways to protect Earth from the possibility of an invasive alien species overrunning the planet.

They were sent to build a utopia, but all they found on Mars was death. Frank Kitteridge has been abandoned. But XO, the greedy - and ultimately murderous - corporate architects of humanity's first Mars base made a costly mistake when they left him there: They left him alive. Using his skills and his wits, he's going to find a way back home even if it kills him. Little does he know that Mars isn't completely empty. Just over the mountain, there's another XO base where things are going terribly, catastrophically wrong.

Is our sun behaving differently from other stars? When an amateur astronomer discovers something strange on telescopic solar pictures, an explanation must be found. Is it merely artifact? Or has he found something totally unexpected? An expert international crew is hastily assembled, a spaceship is speedily repurposed, and the foursome is sent on the ride of their lives. What challenges will they face on this spur-of-the-moment mission to our central star?

When a colonist dies in tragic circumstances, just a few sols before a major terraforming experiment, Dr. Jann Malbec begins to suspect that all is not what it seems. Her fears begin to grow when every attempt she makes to investigate the death is thwarted by the ruling council on Mars. In desperation, she resorts to secretly recruiting a recently arrived colonist, Mia Sorelli, an ex-cop with a troubled past, to quietly look into the incident. But Mia has some very good reasons why she left her old life on Earth behind.

Destry's life is dedicated to terraforming Sask-E. As part of the Environmental Rescue Team, she cares for the planet and its burgeoning eco-systems as her parents and their parents did before her. But the bright, clean future they're building comes under threat when Destry discovers a city full of people that shouldn’t exist, hidden inside a massive volcano. As she uncovers more about their past, Destry begins to question the mission she's devoted her life to, and must make a choice that will reverberate through Sask-E's future for generations to come.

The first US / UN invasion of the renegade lunar colony of Aristillus has failed - but the powers-that-be in Washington and elsewhere can't give up. Their political careers - and an escape from the economic decline of Earth under a command-and-control economy - depend on conquering the lunar expats. A second - and final - invasion is planned. The lunar settlers prepare to repel the onslaught, but what can a small population of 1 million do against the combined might of billions on Earth - especially now that the PKs have the secret of the antigravity drive?

Captain Jason Burke is a man apart, and not just because he's the only of his kind for thousands of light-years in any direction. The changes to his body and to his genetic code have made him faster, stronger, more able to survive in his dangerous occupation...but they've also ensured that he'll never truly fit in with others of his species. He always assumed he would live and die with his crew and never lay eyes on another human again. He was wrong.

In the mid-23rd century, Darwin, Australia, stands as the last human city on Earth. The world has succumbed to an alien plague, with most of the population transformed into mindless, savage creatures. The planet’s refugees flock to Darwin, where a space elevator—created by the architects of this apocalypse, the Builders—emits a plague-suppressing aura.

After being lost in space for 11 years, Gabe finally makes his triumphant return to reunite with Alex and Chase and retrieve a possibly alien artifact - which may lead them to solve the greatest archaeological mystery of their careers, in the eighth installment of the Alex Benedict series.

One of the greatest science-fiction epics ever written, John Varley's Titan, Wizard, and Demon comprise a groundbreaking trilogy that will live forever. Human explorers have entered the sprawling mind of the alien Gaea. Now they must fight her will. For she is much too powerful. And definitely insane....