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.

Cpl Nicholas Xenakis made two tours to Iraq as a grunt, something he was born to do. When his wife gave him the "me or the Corps" ultimatum, he chose her, but not before he joined the local reserve battery for one last pump. The battery was assigned as a provisional MP company with the mission of convoy duty, something Nick figured would not be as exciting as his grunt tours, but at least he was back in the fight.

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.

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.

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.

This is all three books of The Return of the Marines Trilogy. Faced with tremendous odds, Gunny has to lead his Marines in an almost impossible task. That is nothing new to the US Marines. Impossible tasks are the Corps' forte. But can his small detachment keep up the tradition of the Corps and succeed despite tremendous odds?

Glory barely survived its last battle twenty years ago. Captain Drake resigned rather than face court martial. But the enemy is back, and humanity needs everything that can fly. Maybe it’s not the ship at all but the crew. They hold the key. Drake rallies old and young alike to comply with orders so secret even he wasn’t allowed to see them until after the ship left the junkyard. Would it leave? That was another question. The core hadn’t been fired in twenty years.

Eight years ago, an engineered virus ravaged the globe, infecting and transforming humans into apex predators called Variants. Now, almost a decade after the end of the war, civilization has slowly clawed toward recovery. But evil and intelligent forces dwell in the shadows with the starving beasts, scheming to restart the extinction cycle and end humanity forever. And once again, Beckham, Fitz, and Kate will rise to fight them, joining forces with new heroes to try and save what’s left of the world.

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.

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.

When Vanti and O'Neill graduated at the top of their academy class, they thought they'd get their dream assignments. Instead they end up in security on Station Kelly-Kornienko. Sure, the station if glitzy, but they're basically well-dressed security guards.

Opportunities there are few and far between…that is unless you're willing to put on a uniform. For ace-pilot Deborah Allen Riker (a.k.a “Admiral Dare”), life had never been easy. She's defended Earth against countless enemies, both alien and human alike. Now a civilian and academic living on the fringes of civilized space, she has committed herself to a life of solitude and studying a race of long-dead aliens. Everything was great…until she finds herself dragged into a new conflict. A conflict she never saw coming.

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.

Jack Bennet returns from the war to find the life he left behind has moved on without him. The only option he has to make ends meet lies in a military surplus junkyard starship. What’s a former Combat Search and Rescue soldier to do? Fix up the ship, hire the cheapest pilot—a notorious drunk—and take the first contract that comes up: collect a bounty on one of the most ruthless killers in the Pirate Worlds, a place crawling with thieves, cutthroats and con artists whose primary language is violence. Jack must abandon his nice guy persona, or exploit it, if he is to survive.

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.