Military Space Opera

The war for the fate of mankind blazes on. Though the outer defences have fallen, the walls of the Palace itself remain inviolate as Rogal Dorn, the Praetorian of Terra himself, uses every known stratagem and ploy to keep Horus' vast armies at bay. In Perturabo, the Traitor siegebreaker, Dorn faces an adversary worthy of his skill. A terrible, grinding attrition ensues. The crucial battle for the Lion's Gate spaceport is at the heart of this conflict. With it in their possession, the Traitors can land their most devastating weapons on Terran soil. Dorn knows it must not fall.

A great darkness has befallen the galaxy, and the armies of Chaos are rampant. To survive, humanity must retaliate and take back what they have lost. By the will of the reborn primarch, Roboute Guilliman, is the Indomitus Crusade launched - a military undertaking that eclipses all others in known history. From the Throneworld of Terra does the Avenging Son hurl his fleets, their mission the very salvation of mankind.

The isolated forge world of Diamantus faces a threat of apocalyptic proportions – a warped and mutated space hulk infested by the forces of Chaos, commanded by the monstrous datagnost Voldire, disciple of the dread demigod Vashtorr the Arkifane. As the battle-weary Carcharodons make their stand alongside the Adeptus Mechanicus, horrors and nightmares raining down around them, the Space Marines must confront their place within this new Imperium, and destroy the hulk before Diamantus is lost.

The starship Freedom was once a mighty warship. Today, she's a tourist attraction. The space wars ended long ago. The Freedom is now a flying museum; the tourists love it. The Changing of the Guard, the starfighter aerobatics, the starboard cannon salute...it's the best show in the galaxy. James King commands the starship Freedom. He hates his job. He was a real soldier once, back when the Freedom was a real warship. He never imagined himself running a tourist trap. Right after Christmas, he plans to retire. Then, on Christmas day, the aliens attack.

It was supposed to be a peaceful exploration, Earth's first step in expanding to the stars. But, no plan survives first contact. Thrown into a battle for survival against the deadliest threats imaginable, the Marines must contend with ice and desert planets with mysterious creatures, along with a history of turmoil that threatens to spill over to Earth if not checked. Meanwhile, a genetically-engineered threat rises on Earth - one that holds the secret to this intergalactic war.

Years after defeating aliens bent on burning down the galaxy, the Interstellar Union is breaking apart, its member species undermining each other at every opportunity. When an interdimensional distress signal arrives, only humanity is interested in helping. Captain Vin Husher is given command of the UHS Relentless, and sent in as part of a carrier strike group...right into a trap laid by humanity’s old enemy. Surrounded by a bioengineered super-species and unable to return home, Husher must draw on decades of experience just to keep his people alive.

It has been over a year since the UnArcana Worlds of the Protectorate of the Mage-King of Mars seceded, shattering the unity of the human race. The new Republic of Faith and Reason has raised new banners in defiance of the power of the Protectorate's Mage aristocracy. Now, Hand Damien Montgomery commands a relief mission to a Republic world ravaged by famine. His humanitarian mission collides with a newborn military beginning to flex its muscles - and a newborn nation prepared to accept no violations of its sovereignty, regardless of their needs.

After a series of victories, the Imperial forces are on the back foot once more. The power of Chaos is rising, the Traitors gain ground, and all hope seems lost. Can Terra endure?

John Perry did two things on his 75th birthday. First he visited his wife's grave. Then he joined the army. The good news is that humanity finally made it into interstellar space. The bad news is that planets fit to live on are scarce—and alien races willing to fight us for them are common. So: we fight. To defend Earth, and to stake our own claim to planetary real estate. Far from Earth, the war has been going on for decades: brutal, bloody, unyielding. Earth itself is a backwater.

The Rangers and Osay colonists have won the fight for control of their corner of Amir. But as the threat of invasion from nearby RUPAC special forces loom, Reach, Alexa, and Brody seek to make newfound neighbors into allies. But friendship isn’t easy to come by, even on a planet as hostile to humans as Amir. Even inside the Ranger-protected confines of the O-C, tensions boil over as Liana works to find a way to make Ranger, Osay, and RUPAC defectors coexist and save their hostility for what lays outside the colony’s growing walls.

In war, there is no second place. To ensure victory, planetary governments employ private armies to help fight their battles. And the Berserkers are the best. As the galaxy's preeminent mercenary force, they are hired by governments and corporations to do jobs that are too tough, too messy, or too deadly for their own forces. Expertly trained and equipped with the most advanced weaponry, they are willing to do whatever it takes to fulfill a contract - if the price is right.

As the crime world of Red Eye slips into chaos, legendary bounty hunter Tyrus Rechs finds himself trapped in a nightmare of his own making. With his ship seized and his crew likely dead, Rechs must navigate a world where Lizzaar death squads patrol the streets, zhee war parties prowl the jungles, the only law is survival… and the only hope is escape.

Titus Briggs is an Earth Defense soldier, a grunt, a decorated war hero—it's all he's ever known. So when a career-ending injury leaves him lying in a hospital bed, missing both legs, he struggles to accept his new reality. He can no longer walk, which means he can no longer fight. That is until a mysterious colonel arrives and offers Titus the opportunity to step into a new kind of war, a new kind of fight. To become a new kind of soldier. Mobile Combat Suits—MOCOMS—represent the next stage in human warfare. They enable soldiers to fight like never before.

The Warmaster’s horde advances through the fire and ash of Terra's dying breaths, forcing the loyalists back to the Delphic Battlement—the very walls of the Sanctum Imperialis. Angron, Primarch of the World Eaters and Herald of Horus, has achieved immortality through annihilation—now he leads the armies of the damned in a wrathful tide, destroying all before them as the warp begins its poisonous corruption of Terra's very soil.

Hazard King had always wanted to be an Imperial Fleet officer, just like his father. But he’s a Prince of the Realm, which make things a bit more… complicated. And when Hazard’s parents tell him that they don’t trust his older brother and want Hazard to be the Crown Prince—the heir to the throne—things go from bad to worse. Just when it seems they can’t get any worse, the Empress is attacked.

Master Sergeant Gant Maker was a highly decorated and well-respected marine - until his last mission left him as the sole survivor of an encounter with a vicious race called the Vacra. Served up as a scapegoat and drummed out of the military, he has since lived a life of seclusion with only an adopted alien as a companion. Now the Vacra have returned.

The third book in the New York Times bestselling Expanse series, Abaddon's Gate opens the door to the ruins of an alien gate network—and the crew of the Rocinante may hold the key to unlocking its secrets. Now a Prime Original series. For generations, the solar system—Mars, the Moon, the...

He is known by many names - Clonelord, Manflayer, Primogenitor. He is the epitome of deceit and perversion, and feared by man and monster alike. Once the Chief Apothecary of the Emperor's Children, the madman known as Fabius Bile possesses a knowledge of genetic manipulation second to none.

Imperial commissar Ciaphas Cain returns to Nusquam Fundumentibus to crush the ork attacks which have been plaguing the frozen planet. But when his ship crashes into the wastelands outside the capital it disturbs a far greater enemy, one which has lain dormant under the permafrost since long before the Imperium came to this world and could now threaten the whole sector.

For a decade, peace has reigned in interstellar space. A tripartite agreement between the Colonial Union, the Earth, and the alien Conclave has kept the forces of war at bay, even when some would have preferred to return to the fighting and struggle of former times. For now, more sensible heads have prevailed – and have even championed unity. But now, there is a new force that threatens the hard-maintained peace: The Consu, the most advanced intelligent species humans have ever met, are on the cusp of a species-defining civil war.