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.

Out of the blue, a young Space Fleet officer's dream becomes reality: He's made captain of a starship. Just in time for the return of humanity's most terrible enemy, after 50 years of peace. To survive against this enemy, Captain Tad Thatcher will have to do more than learn how to become an effective commander, or how to wrangle his wayward crew. He will need to reinvent space combat. From scratch.

Terminal Lance Lucky Lee Savage likes his life. Sure, doing PT hungover is a pain, but no one can dodge responsibility like he can - or sweet-talk the cooks into giving out double rations.

A formidable alien armada stands on the brink of vanquishing the cosmos, their gaze set firmly on every inhabited world. The last line of defense? An eclectic crew of improbable champions: a maverick starfighter pilot, a daredevil stuntwoman, a lethal super-assassin, and a cosmic prankster with alien tricks up his sleeves. Their mission is to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

Hudson Powell and Tory Bellona are the galaxy’s top Star Scavengers. Travelling to distant planets, they hunt for valuable artefacts inside the wrecks of giant alien starships that mysteriously lie crashed and broken on every portal world.

Captain Caleb Card and his crew are on a mission to investigate a transmission believed to be from the lost ship. Ambushed upon arrival, they immediately fear the worst. But the beacon isn’t only active, it’s on the move, and where it leads will change everything they thought they knew about the universe. Cast into a distant galaxy brimming with unknown dangers, they’ll need to adapt quickly if they want to survive long enough to help the missing colonists.

U.S. Marine Tyson Gage has only one option left: to become a bounty hunter, then collect enough loot and upgrades to mount a rescue among the stars... Eight hundred years in the future. Joined by his dog and a beautiful woman who, despite their attraction, is on his last nerve, Gage must leave life on Earth behind for a universe of aliens, criminals, and hyperspace more deadly and awesome than he can imagine.

Commander Dalton Reeves is a maverick officer with exceptional genetic strength and a dark family history—a history that will come back to haunt him. Punished for exceeding orders one time too many, he’s packed off to the "The Abyss"—the most dangerous space station in the galaxy. But a posting that should have led to five years in obscurity will propel Reeves into the center of an interstellar war against a long-forgotten alien adversary with a bitter grudge.

Dillon Mackey has always wanted to travel the stars.... When brilliant scientist and inventor Sherisza Rousilarru offers him an apprenticeship aboard her starship, he leaps at the chance to escape a boring future in the law.

The Sa’Nerra were close to defeat, then everything changed. Armed with a neural weapon, the brutal alien warriors turned Fleet crew against their own. Entire warships went rogue. Suspicion and fear ran riot. Surrender seemed like the only option. But Lucas Sterling knows that in the fight against the Sa’Nerra there is only victory or death.

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.

Two civilizations clash. A rebellion grows. The fate of the galaxy hangs in the balance. Technical Chief "Pappy" Gunther is a grizzled, burning-out commando in the United Earth Armed Forces. He ponders a return to civilian life, yet feels a strong sense of belonging to his elite team. When colonists on a far-flung world request aid, a task force from several allied systems is assembled. Pappy and his crack unit are sent to investigate and to engage a mysterious alien force from beyond.

Ethan is a ranger, sworn to protect his walled settlement from the dangers of his ravaged wasteland planet. One night, a mysterious light thunders overhead and Ethan investigates, discovering a crashed spacecraft and two soldiers from a moon base he didn’t even know existed. Captain Salus and Commander Kurren have risked everything to find a Planetsider to help save their people. Ethan needs them to answer questions that have haunted him all his life – what happened to his world and why?

He knows it, and so does everyone else in the star nation of Prometheus. 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 starship 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, with an enemy warship four times their size bearing down on them, Brad's in a race to save Jessica and his stupid ship.

The interstellar bridges provide a lifeline for billions. To save humanity, the Darkspace Renegades must tear them all down. Unjustly kicked out of the Consortium Security Force, Hallam Knight has been reduced to working as a gunner, defending the precious Randenite fuel tankers from notorious extremists, the Darkspace Renegades. Then, he discovers that everything he thought he knew was a lie. Far from being the enemy, the Darkspace Renegades are humanity’s only hope.... They just don’t know it yet.