What would you do to change your life? How far would you go? How hard would you fight? Rather than work his bones into dust toiling away on a barren world, Ryck Lysander chooses to enlist in the Federation Marine Corps. But as he quickly finds out, this path isn't just a job...it's a calling...and not everyone is suited to wear the uniform.

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.

Korri Fontenot left family behind on Earth a century ago to fight in a war that broke her body and her mind. Now, her great-granddaughter, Jackie, has followed in her footsteps. First as a Marine and then as a mercenary outlaw, Jackie has made the mistake of breaking into a secret corporate lab and stealing an ancient alien artifact. Dark forces want the artifact back.

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.

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.

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?

Esther and Noah Lysander are the twin children of General Ryck Lysander, Commandant of the Marine Corps, leader of the Evolution and Chairman of the Federation. When they are told that their father and mother have been assassinated, they are both devastated. Cut adrift, they each decide to enlist in the Corps - but for different reasons.

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.

Joe begins seeing strange flashes. Ghosts of images, overlaid atop his own vision. Actions he could have taken but didn’t. Worse, the visions are increasing in scope and frequency. Believing he’s going mad, he confronts the scientist, only to discover the implant’s shocking origin.

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.

Private First Class Aiden Kaas has enlisted in the Marines for all the wrong reasons. Now deployed to Iraq at the age of 19, he just wants to put in his time and serve out his enlistment. However, after being bitten by a seemingly rabid mujahideen, he finds himself suffering from a strange illness, one with consequences beyond his wildest imaginings. As the disease ravages his body and exposes him to dangers far darker than active combat, Aiden discovers what it means to come of age.

Convicted of a minor traffic violation, Rev Pelletier is conscripted into the Perseus Union Marine Corps...for up to a 30-year term of service. Anxious to get back to his civilian life and job, Rev opts for a shorter term as a Marine Raider taking the fight to the enemy. But with extremely high mortality rates, can he and his friends survive until their term of service is over? 

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.

Grant Masterson is a man with nothing left to lose.... A disgraced ex-cop, framed by a crooked politician, abandoned by his family, he’s forced into the life of a bounty hunter just to survive. Tracking down a traitor who stole military-grade weapons to sell on the black market, Masterson finds out things aren’t as simple as the wanted poster made them seem. Because Delia Beckett isn’t a traitor, simply a patsy, and the forces manipulating her may be the same ones responsible for Masterson’s fall from grace.

Noth, humanity's greatest threat, has awoken and he's out for blood. So is Cole and his merry crew of misfits. They have the means to get it, too. Sort of. Their weapon might not be fully functional, but it just needs a power boost. How hard can it be? Pretty freaking hard, as it turns out. Especially when their enemies will do anything to stop them. When someone close to the crew is murdered and Cole is framed for the deed, things only get more complicated. Under the circumstances, that problem should be put on the backburner, but nothing is ever as it seems.