Once, Master Commander Carter Rose was the Union’s secret weapon. An augmented, bio-engineered officer in command of the most powerful warship ever devised by human minds, Rose brought them victory against the post-human Aternien Empire. Then they cast him aside. A century later, humanity’s enemy has returned, hell-bent on revenge, and the Union's only hope is the man they had forsaken.

After more than 20 years in special operations, USMC Gunnery Sergeant Wolf Mathison wasn’t looking forward to retirement when—implanted with an experimental artificial intelligence—he deployed on his last mission with a platoon of Marine Raiders being sent to the Jovian moon Europa. The USS Jefferson was destroyed en route, though, and only Mathison and three other marines survived. Trapped in stasis, they were hurled into the outer reaches of the solar system, where they wouldn’t be found for hundreds of years.

Finn had thought he'd seen it all...but no...he had to admit...not quite everything.... There was a big universe out there, and it was about to land in his lap. Just how bad could it be? The modern-day world panics as a small alien force penetrates Earth's ineffective defenses. Countries circle, the promise of alien weaponry breeding greed and fear among opposing governments, as they struggle to take the aliens down.

In a single act of courage, the young American grunt saves an interstellar soldier from certain death at the hands of a vicious killer. Afterward, she promises to show him the stars. Mark will begin his new life far away from Earth—a life not so different from that of a humble soldier. Out among the asteroids, he learns of swords and honor, starships and empires. He learns what it means to be a Peacemaker. Along the way, he's joined by Perry, his combat AI companion who helps Mark learn how to survive—and earn a living—among the stars.

Technical Specialist Kerry Sevvers is the best the CDF's controversial Autonomous Weapons Division has to offer. He commands drone swarms with only his thoughts thanks to an experimental neural implant and a cluster of lethal AI. But not even his skills can prepare him for this high-risk mission to rescue a deep cover Colonial Intelligence operative. When his AI are corrupted by alien code and the op runs afoul of a long-dormant threat, it falls to Sevvers, his unsanctioned AI, codenamed Six, and a fireteam of Marines to fight a desperate battle on multiple fronts.

The Governance is falling apart as Mathison struggles to keep the Sol system from imploding. Stathis is learning more about the threat that Becket and the AI collective is becoming, and Sif has discovered that there are lethal flaws in the Alliance’s defenses. Mathison must declare himself Emperor and reveal himself before it is too late, but he needs the support of the Vapaus Republic, and—as the vanhat assault intensifies against Sol—there are factions within the governance that see Mathison’s weakness as an opportunity.

Few know the warship’s actual name. But everyone has heard the rumors. The PUV James Keeling can do something no other vessel in existence can do—slip into another dimension, travel undetected, then re-emerge onto our plane and surprise enemy targets. But the thing that makes the Crypt unique also makes it a nightmare for those onboard; interdimensional travel causes hallucinations, violent behavior, and psychotic breakdowns. Keeling could be the Union’s greatest weapon, a game-changing asset that can defeat the bloodthirsty zealots of the Purist Nation, the Union’s mortal enemy.

Ben Hutchins buried his anger to survive. Stranded on a ravaged Earth after a devastating alien annihilation, the haunted young man has nothing except his late father’s cutting-edge exo-suit and a veteran soldier for company. But when he uncovers the truth about his armored prototype, he unwittingly paints a target on his back for those who seek humanity’s destruction.

Ensign Carol Hansen is six months out of Fleet University, and six months out of a toxic relationship that made no sense to anyone but her. Serving aboard Liberty is everything she had aspired to. But that sweet time comes to an abrupt, violent end when Liberty is destroyed in an unexpected attack. Carol is lucky enough to be "ashore" in the alien city below, and barely survives the death raining down from space.

Brad Mendoza is an idiot. He knows it, and so does everyone else. A promising naval career down the drain just, because he accidentally killed 504 civilians. So, it's time for him to give up and accept a dead-end command on Persephone, the worst ship in the fleet. Until he meets the beautiful and cunning Jessica Lin, his new executive officer, who harbors a terrible secret of her own. Now, he's in a race to save her and his stupid ship.

With the Battle of Portlandia behind him, Chase is a hero now, and the rank and file truly believe he's the prince the Command Team claims he is. For his part, Chase has made his choice, and now he's committed. As the face of the revolution, he's in it to win it because anything else will lead to his death. The twenty-five million-credit bounty on his head will see to that.

In the shadow of the cosmos, an unstoppable alien fleet advances, leaving a trail of conquered worlds in its wake. The Xortaag armada, an epitome of galactic might, now sets its sights on Earth. Yet hope flickers in the most unlikely of heroes: a maverick starfighter pilot with a penchant for movie quotes, a daredevil stuntwoman, a lethal super-assassin, and a cosmic spymaster. Their mission: to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

Keel Hennity was one of the greatest gladiators in the universe, the victor of countless glorious battles. He was assigned to guard the most dangerous creatures on his home planet. Then he died, and his life truly began. When Keel's consciousness was downloaded into the robotic body of an Imperial Marine, he was tasked with protecting the emperor and controlling the incredibly dangerous creature that ended his first life. Can Keel unlock the secrets of Star Dragons and protect the galaxy from a dragon-human war that could end life as we know it?

Once, Master Commander Carter Rose was the Union’s secret weapon. An augmented, bio-engineered officer in command of the most powerful warship ever devised by human minds, Rose brought them victory against the post-human Aternien Empire. Then they cast him aside. A century later, living alone on a distant forest moon, feared and forsaken by the people he fought to save, Rose has grown bitter and resentful, while his superhuman body refuses to age.

Ero Bright’Lor, an outcast krey noble, has a mad plan to form an alliance from the outlaw clans. If he can overcome centuries of enmity, their combined might would threaten the entire fleet of the Krey Empire. But the cause needs a leader.