Hard Science Fiction Space Opera

To win an impossible war, Captain Kel Cheris must awaken an ancient weapon and a despised traitor general.

Captain Kel Cheris of the Hexarchate is disgraced for using unconventional methods in a battle against heretics. Kel Command gives her the opportunity to redeem herself by retaking the Fortress of Scattered Needles, a star fortress that has recently been captured by heretics. Cheris' career isn't the only thing at stake. If the fortress falls, the Hexarchate itself might be next.

New planets are fair game to asset strippers and interplanetary opportunists – and a commercial mission to a distant star system discovers a moon that is pitch black, but alive with radio activity. Its high-gravity, high-pressure, zero-oxygen environment is anathema to human life, but ripe for exploitation. They named it Shroud. Under no circumstances should a human end up on Shroud’s inhospitable surface. Except a catastrophic accident sees Juna Ceelander and Mai Ste Etienne doing just that.

For almost a hundred years, Hadrian Marlowe has served the empire in its war against the Cielcin, a vicious alien race bent on humanity's destruction. Rumors of a new king among the Cielcin have reached the imperial throne. This one is not like the others. It does not raid borderworld territories, preferring precise, strategic attacks on the humans' empire.

Autistic scientist Yasira Shien has developed a radical new energy drive that could change the future of humanity. But when she activates it, reality warps, destroying the space station and everyone aboard. The AI gods who rule the galaxy declare her work heretical, and Yasira is abducted by their agents. Instead of simply executing her, they offer mercy - if she'll help them hunt down a bigger target: her own mysterious, vanished mentor. With her homeworld's fate in the balance, Yasira must choose who to trust: the gods and their ruthless post-human angels, or a rebel scientist....

Covert agent Sigmund Ausfaller is Earth's secret weapon, humanity's best defense against all conspiracies, real and imaginary, and all foes both human and alien. Who better than a brilliant paranoid to expose the devious plots of others?

But Sigmund may finally have met his match in Nessus, representative of the secretive Puppeteers, the elder race who wield vastly superior technologies.

Hadrian Marlowe is trapped. For nearly a century, he has been a guest of the Emperor, forced into the role of advisor, a prisoner of his own legend. But the war is changing. Mankind is losing. The Cielcin are spilling into human space from the fringes, picking their targets with cunning precision. The Great Prince Syriani Dorayaica is uniting their clans, forging them into an army and threat the likes of which mankind has never seen.

Hugo Award winner Harry Turtledove is the master of alternate history. In American Front he envisions World War I as it may have been if fought on American soil. The United States and Germany clash with the Confederacy, France, and Britain as the machines of modern warfare litter the landscape with carnage. Meanwhile, oppressed southern blacks head toward a fateful confrontation.

The fourth book in the NYT best-selling Expanse series, Cibola Burn sees the crew of the Rocinante on a new frontier, as the rush to colonize the new planets threatens to outrun law and order and give way to war and chaos. Enter a new frontier. "An empty apartment, a missing family, that's creepy. But this is like finding a military base with no one on it. Fighters and tanks idling on the runway with no drivers. This is bad juju. Something wrong happened here. What you should do is tell everyone to leave".

The first of the acclaimed Vatta's War books, the exciting military science fiction series that features a swashbuckling spaceship-captain heroine who mixes commerce with combat.

In the early 22nd century, humanity has spread through the solar system - and their electromagnetic signals have traveled hundreds of light years. An alien race called the Oghaldzon has decided that mankind is dangerously insane...and must be forcibly taken under control. The invasion fleet's technology is decades ahead of Earth's best. They have more ships than the human fleets combined, and a seemingly-inexhaustible number of ground troops. And they're not afraid to kill billions of people.

For generations, the solar system—Mars, the Moon, the Asteroid Belt—was humanity's great frontier. Until now. The alien artifact working through its program under the clouds of Venus has appeared in Uranus's orbit, where it has built a massive gate that leads to a starless dark. Jim Holden and the crew of the Rocinante are part of a vast flotilla of scientific and military ships going out to examine the artifact. But behind the scenes, a complex plot is unfolding, with the destruction of Holden at its core.

When Earth failed, it sent out arkships to establish new outposts. So the spaceship Enkidu and its captain, Heorest Holt, carried its precious human cargo to a potential new paradise. Generations later, this fragile colony has managed to survive on Imir, eking out a hardy existence. Yet life is tough, and much technological knowledge has been lost. Then strangers appear, on a world where everyone knows their neighbour.

How do you stage a mutiny when you're only awake one day in a million? How do you conspire when your tiny handful of potential allies changes with each job shift? How do you engage an enemy that never sleeps, that sees through your eyes and hears through your ears, and relentlessly, honestly, only wants what's best for you? Trapped aboard the starship Eriophora, Sunday Ahzmundin is about to discover the components of any successful revolution: conspiracy, code - and unavoidable casualties.

It's 2040. After decades of research, scientists of the European Union believe that they have at last conquered humankind's most pernicious foe: old age. For the first time, technology holds out the promise of not merely slowing the aging process but actually reversing it. The first subject for treatment is 78-year-old philanthropist Jeff Baker. After 18 months in a rejuvenation tank, Jeff emerges looking like a 20-year-old. And the change is more than skin deep. From his hair cells down to his DNA, Jeff is 20 - with a breadth of life experience.

Revenger is a rocket-fueled tale of space pirates, buried treasure, and phantom weapons, of unspeakable hazards and single-minded heroism...and of vengeance...Adrana and Fura Ness are the newest crew members of the legendary Captain Rackamore's ship, using their mysterious powers as Bone Readers to find clues about their next score. But there might be more waiting for them in space than adventure and fortune: The fabled and feared Bosa Sennen, in particular. The galaxy is filled with treasures...if you have the courage to find them.

The galaxy is burning. With the Cielcin united under one banner, the Sollan Empire stands alone after the betrayal of the Commonwealth. The Prophet-King of the Cielcin has sent its armies to burn the worlds of men, and worse, there are rumors … whispers that Hadrian Marlowe is dead, killed in the fighting. But it is not so. Hadrian survived with the help of the witch, Valka, and together they escaped the net of the enemy having learned a terrible truth: the gods that the Cielcin worship are real and will not rest until the universe is dark and cold.

Merritt Alder is done with Earth. The planet is polluted and overpopulated, and its people are hungry. Earth's first colony, Galena, is a pioneer world 10,000 light years away. It has clean air, unpolluted water, and continents of arable land. Anyone can start a new life…if they can get there. For Merritt, the journey is only the beginning. Obstacles arise every step of the way, forcing compromise and sacrifice. And not everyone on his ship is pure of heart. The bonds he forges on the journey will be the key to surviving on another world—a world anyone has yet to fully explore.

Idris Telemmier has uncovered a secret that changes everything – the Architects’ greatest weakness. A shadowy Cartel scrambles to turn his discovery into a weapon against these alien destroyers of worlds. But between them and victory stands self-interest. The galaxy’s great powers would rather pursue their own agendas than stand together against this shared terror. Human and inhuman interests wrestle to control Idris’ discovery, as the galaxy erupts into a mutually destructive and self-defeating war.

In the 21st century, the perfection of faster-than-light travel and the rise of a prodigious artificial intelligence known as the Eschaton altered the course of humankind. New civilizations were founded across the vastness of space. Now, the technology-eschewing world known as the New Republic is besieged by an alien information plague. Earth quickly sends a battle fleet - but is it coming to the rescue, or is a sinister plot in motion?

Hella is a planet where everything is oversized. The trees are mile-high, the dinosaur herds are huge, and the weather is extreme - so extreme, the colonists have to migrate twice a year to escape the blistering heat of summer and the atmosphere-freezing cold of winter. Kyle is a neuro-atypical young man, emotionally challenged, but with an implant that gives him real-time access to the colony's computer network. When an overburdened starship arrives, he becomes the link between the established colonists and the refugees from a ravaged Earth.