Military Space Opera

The star cluster's super-powers tried to make peace last. Truly, they did. But everyone knew war between Ascendant Horizon and the Coalition of Giants was inevitable. Saddled with an alliance that seems to struggle with the basics of space warfare, Captain Thatcher must fall back on his tactical prowess—along with the steadfastness of the crews under his command—just to keep his people alive. But an enemy lurks around every corner, and there is dissension even in Thatcher's fleet.

An elite team of SAS special operators battle across the multiverse after a plague of land-hungry sentient robots invade today’s Earth. But, when an aircraft carrier-based counterattack goes horribly wrong, it traps the team in an alien universe with a top-secret group who’ve already saved the world twice. After discovering a dark plot that threatens humanity’s very existence, the two groups jump into action, fighting both on the surface and in orbit in a last-ditch effort to stop the enemy before time runs out.

Throughout the tortured galaxy, Ephrael Stern is known by many names. The Thrice-born. The Daemonifuge. The Heretic Saint. Trapped deep within Imperium Nihilus following the coming of the Great Rift, the maligned Sister of Battle fears the Imperium is no more. The God-Emperor’s light, which has guided her through centuries of strife, has too extinguished. Seemingly forsaken, Stern is bereft until a mysterious stranger arrives, offering her a new destiny. One that might yet see the Imperium saved. Stern must prove herself worthy of the God-Emperor’s grace once more.

James McGill is called upon for a sabotage mission, one that only a man of his unique talents can handle. Unfortunately, he performs too well, and our enemies from Rigel are enraged. They come for us, and war is declared. When this conflict between the great powers spreads, humanity finds itself swept up in the storm. Can McGill escape this disaster he’s created?

As a crumbling Galactic Republic falls to the relentless assault of a merciless foe, so begins the rise of an enigmatic emperor intent on saving a corrupt galaxy-spanning civilization from itself…and from something much darker that lies beyond the reaches of the known. Just as the reins of power fall into his iron-fisted grasp, an assassination attempt by a hidden cabal within his own inner circle jeopardizes every plan he has set in motion for his Dark Legion, his Imperial Navy, and his ultimate conquest of the stars. But the assassins have no idea who they're actually dealing with.

The complete Baldwin's Legacy series.

The eldar are an ancient race whose mode of war blends spirituality with a unique mastery of technology. In times of need, their entire race will rouse to war, led by terrifying, almost mythological figures - the phoenix lords, immortal beings that embody the warrior nature of the eldar. When a burgeoning ork empire starts to pose a threat to the eldar peoples, Jain Zar travels to the craftworld Ulthwé to warn them of the danger.

The final frontier erupts into chaos as vast quantities of a rare energy source are discovered beneath the surface of Baldur-3, a remote planet beyond the outer fringes of Federation space. Now, an old-fashioned “gold rush” is underway as a flood of would-be prospectors, from countless worlds and species, races toward the planet to stake their claim. Captain James T. Kirk and the crew of the Starship Enterprise are dispatched to deal with the escalating crisis...which lies on the other side of a famously perilous region of space known as the Antares Maelstrom.

One planet. Three sapient species living peacefully together. And one deadly virus that could wipe out every world in the Starways Congress, killing billions. Is the only answer another great Xenocide?

As Kill Team Victory and General Chhun take control of the cities on Kima, a war every bit as spiritual as it is physical rages in the deepest parts of galaxy’s edge. The Legion and the Republic military at large struggle to deal with a sudden multitude of planetary invasions and uprisings, with rumors of mysterious ships breaking the peace achieved by Article Nineteen. Meanwhile, Captain Aeson Keel continues his search for Prisma, aided by friends from both his past and present. But only mankind’s oldest ally can hold back the tide of ultimate destruction.

In the company of a young girl and an old man, Chakas begins an epic journey across a lost and damaged Halo ringworld in search of a way home, an explanation for the warrior spirits rising up within, and the reason for the Forerunner Librarian’s tampering with human destiny.

A war-weary Battle Group Praxis arrives at the Knight world of Kamidar, ruled by the Iron Queen Orlah, to return the queen's slain daughter and heir, who died in Guilliman's name. In truth, the Imperium's mission here is twofold: to strip Kamidar of its resources in order to resupply the flagging armada, and to prepare the Ironhold Protectorate to become part of the defensive Anaxian Line, a crucial bulwark for the Indomitus Crusade.

During her pursuit of the human traitors known as Nemesis, Mage-Captain Roslyn Chambers ventured deep into alien stars. She destroyed her enemy at the final moment but saw firsthand the might of the alien empire Nemesis called the Reejit. The lost world Chimera has hidden between human and alien space for generations. Roslyn must protect the planet from this waking threat, but both the human and alien colonists see her as a harbinger of nightmares.

The Great Crusade has swept across half the galaxy, a million human worlds now embracing the truth and reason that comes with allegiance to the rule of Terra. But even such unparalleled success comes at a cost. Rumours abound that the Emperor plans to step back from the Crusade and raise one of his primarch sons to lead in his stead. Faced with the bitterly noncompliant human empire of Gardinaal and a leaderless host of Ultramarines, Thousand Sons and Emperor’s Children at his Legion’s command, the Iron Hands primarch Ferrus Manus decides to make an example that even the Emperor cannot ignore.

In the wake of the Galactic Republic's fall, Magnus and the Gladio Umbra learn of a new superpower that hopes to unite all orphaned star systems in peace. But Magnus's suspicions grow as the Luma Alliance of Worlds uses anything but peaceful methods to co-opt allegiance in the post-Republic landscape. Meanwhile, on the fringe of the galaxy, a dark shadow looms. Moldark, the sworn enemy of a growing number of species, amasses power through a new partnership with the Obscura. With their combined forces, there is no telling what evil may rain down upon the galaxy's sentient worlds.

Ambassador Spock travels back in time to subtly warn Earth's inhabitants of impending doom while calling into question humanity's priorities. However, before the truth is told, the all-powerful being, Q, appears and reminds Spock that he is prohibited from interfering in Earth's history. Besides, Q doesn't see mankind as something worth saving.

The Divide. It’s the edge of the universe. Now, it’s collapsing - and taking everyone and everything with it. The only ones who can stop it are the Sentinels - the recruits, exiles, and court-martialed dregs of the military. At the Divide, Adequin Rake commands the Argus. She has no resources, no comms - nothing, except for the soldiers that no one wanted.

When aliens trundled a gate to other worlds into the solar system, the world reacted with awe, hope and fear. But the first aliens to come through, the Glatun, were peaceful traders and the world breathed a sigh of relief.

Admiral John "Black Jack" Geary earned his rank after being revived from cryogenic sleep to lead the Alliance to victory against the Syndicate Worlds. But his superiors question his loyalty to the regime. Now in command of the First Fleet, Geary is tasked with exploring the frontier beyond Syndic space, a mission he fears deliberately puts the fleet--and himself--in harm's way. An encounter with the alien enigmas confirms Geary's fears.

The planet Lusitania is home to three sentient species: a large colony of humans; the Pequeninos; and the Hive Queen, who was brought there by Ender Wiggin. Once again, the enemy (the Starways Congress) has gathered a fleet and is threatening to destroy Lusitania. Ender's oldest friend, Jane, an evolved computer intelligence, is trying to save the three sentient species of Lusitania, but the Starways Congress is destroying the computer world she lives in.