Military Space Opera

With over 10 million copies sold, The Expanse has become one of the biggest science fiction phenomenons of the decade. The second book in the New York Times bestselling Expanse series, Caliban's War shows a solar system on the brink of war, and the only hope of peace rests on James Holden and...

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...

No-one comes in peace. Every being in the galaxy wants something, and is willing to take it by force. The Hedalt were no different. They came from the distant reaches of the galaxy to wage war. Their fleet wanted to take Earth for its prize, but we were ready. We were stronger. For years, we fought them, ship-to-ship, until we scattered their forces and drove them back. Pursuing the Hedalt fleet to their home world, we delivered the decisive blow. We nuked their planet and wiped them out for good. Or so we thought.

The last reward Kira Demirci expected for heroism in a time of war was to spend the rest of her life dodging assassins - but when her government betrays her as part of their surrender, she and her comrades flee the star system of Apollo to the edge of civilized space. The Syntactic Cluster is disorganized, disunified, and in desperate need of the nova fighters Kira smuggled out of Apollo with her. With an entire squadron supposed to follow in her wake, it falls to her to build a new home for her comrades.

The Custodian Guard have stood watch over the Emperor's Palace on Terra since the foundation of the Imperium. Charged with protecting the Master of Mankind from all threats, within and without, their fearsome resolve is renowned throughout the galaxy, and their golden armour is the last thing that a would-be assassin or saboteur will ever see.

Devi Morris isn't your average mercenary. She has plans. Big ones. And a ton of ambition. It's a combination that's going to get her killed one day - but not just yet. That is, until she gets a job on a tiny trade ship with a nasty reputation for surprises. The Glorious Fool isn't misnamed; it likes to get into trouble, so much so that one year of security work under its captain is equal to five years everywhere else. With odds like that, Devi knows she's found the perfect way to get the jump on the next part of her plan.

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.

Gaining intel that a high-value target is aboard a luxury starliner, REC-Team Pelican hightails it to intercept. Dropping in system, they arrive to find the starliner crashed, enemy combatants swarming the vessel, and thousands of people in need of rescue from the ocean swallowing the ship. And while the REC-team works to avoid dangers at sea, their enemies close in for the kill. Can the team accomplish their mission and save the passengers? Or will their creed to bring the heartbeats home take a back seat to finally exposing the cabal that forced them into hiding?

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?

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.

The Alien Legion has a new mission, and this time, they are working for the enemy. Also against the enemy. Like every operation that Emily Perkins plans, it’s complicated. But plans require good intel, and when the plan falls apart, the Mavericks are in freefall....

Jonathon Hunter has evoked the wrath of 27th-century pirates. With his sexy twin bodyguards, Jonathon seeks to come to grips with station life in a suddenly hostile universe. Celebrity, gratitude, sudden attacks, and a mysterious prophecy are more than most 18-year-olds can handle. A reluctant hero, Jonathon is on a journey, seemingly out of his time, but always in time. Meet Jon Hunter as he starts a two-year journey to prophecy, with his AI sidekick and mostly female mercenary team.

The Merry Band of Pirates stopped the enemy from stealing a Sentinel, and destroyed its Elder starship, so why weren’t the Pirates planning a victory party? The enemy was not what they thought it was. It was much, much worse.

Their foothold established, Reach and the soldiers sent to secure Amir have only begun to repair the destruction inflicted on them by hostile neighbors when a terrifying new threat emerges from the deep woods and dark jungles of Amir itself. Something so lethal and evasive, not even Brody can seem to take it down. New threats and old enemies arrive as more mysteries of this new home world are uncovered, and with them, clues to humanity’s own mysterious past.

Phil Kelly continues his look at the life of Commander Farsight with his first campaign against the full might of the Imperium and shows how the T'au Empire's technological superiority fares against Imperial grit.

When the Earth Republic is savagely attacked, they recruit the universe’s most dangerous minds to retrieve their stolen warships. But as this ragtag group of criminals embarks on a suicide mission to fight for their lives and freedom, an even bigger threat emerges….

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.

While the crew of the UN Expeditionary Force's pirate starship Flying Dutchman are enjoying a luxury vacation cruise (not!), UNEF troops are still stranded on an alien-controlled planet. Major Emily Perkins and her team are busy picking up the pieces, and it's not easy, because there is trouble on Paradise...

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.

Set in the wake of a galaxywide war and the destruction of a human empire, The Dangerous Type follows the awakening of one of the galaxy's most dangerous assassins and her quest for vengeance. Entombed for 20 years, Raena has been found and released. Thallian has been on the lam for the last 15 years. He's a wanted war criminal whose entire family has been hunted down and murdered for their role in the galaxywide genocide of the Templars.