Go to war or go to jail. For small-time street hustler Cam Alvarez, the choice is simple.... He has no family, no friends, no place in the world...nothing to lose. When his latest con results in the death of a cartel hit man, Cam opts to join the Marines and leave Earth to fight a vicious alien enemy. Drafted into the Marine Drop-Troopers, Cam discovers there’s one thing he’s even better at than running street-con games, and that’s killing the enemy.

Jason McKay and Shannon Stark, two young Republic Space Fleet Intelligence officers, are given the leadership of a new special ops unit. The mission? Guard the spoiled daughter of an important senator. Neither thought the mission would be anything more than babysitting....Until the aliens invaded the colony. Implacable, relentless, merciless - the armored creatures will slaughter anyone. Survival will be the least of their challenges, as Jason and Shannon are forced to weigh the lives of the people they lead, and the ones they love, against their duty, honor, and planet.

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.

As a sci-fi author with a hit TV show, I have a few ideas about what alien invaders are supposed to look like. In my stories, they’re technologically advanced monsters, with tentacles, and no faces. Turns out I was right about the technology. And about how angry they’d be. But the way they look…that’s more terrifying than even I could have imagined. They look exactly like us. Because they are us.

Caleb Mitchell gave up everything to protect his home. Shunned by friends and family for abandoning the pacifist beliefs of their religion, abandoned by the love of his life, he left his home world of Canaan to go to the Commonwealth Military Academy on Earth and train to fight in the looming war against the implacable alien threat of the Tahni Imperium. When a training mission with a crew of cadets winds up caught in the middle of one of the worst battles of the war, Cal and his fellow students are officially declared dead.

Cloned from the genes of heroes past, tossed aside when the Army abandoned the program, Nate has seized his own destiny. Forming the Broken Arrow Mercenary Force, he leads a team of hired guns piloting cutting-edge mechs in a last-ditch effort to restore a United States he never knew. America is under siege by the Russians and Chinese, its major cities devastated by nuclear terrorism. The Army has retreated, the politicians have abandoned the east coast, and the only thing standing in the way of total devastation is a handful of mercenaries.

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.

After his mom died from cancer, Wash gave up his girlfriend and his dream of being a career Army officer to stay home and take care of his father, a former Special Forces soldier stricken with PTSD. Wash works three jobs just to pay the bills, and one of them is at the ranch of the man who’s engaged to his exgirlfriend, Jimmy Bonner. Sound rough? He thought so too … until a portal to a hell-world of giant, insectoid aliens opens behind the ranch house, sucking Wash and Jimmy into the nightmare domain of the Hive Mind.

Logan Conner is the son of a king, the heir to the largest of the five star-dominions, and the best mech pilot in the galaxy. His people are plagued by pirates and raiders, surrounded by enemies, and not even his father can fight them all. Logan gives up his position, his rank, even his name, and becomes Jonathan Slaughter, leader of a rough-and-ready band of mercenary mech-jocks bent on taking the battle to the enemy on their own terms.

Contains books one and two of The Acheron series: The Acheron and The Prodigal. Sandi and Ash never set out to be heroes. She joined the Fleet to please her mother, the Admiral. He signed up to escape the grinding poverty of the Housing Blocks. And the unlikely friends envisioned boring, peacetime careers as shuttle pilots. The Tahni Imperium had other ideas.

We were fighting on the wrong side of a war we couldn't win. And that was the good news. The Ruhar hit us on Columbus Day. There we were, innocently drifting along the cosmos on our little blue marble, like the native Americans in 1492. Over the horizon come ships of a technologically advanced, aggressive culture, and BAM! There go the good old days, when humans only got killed by each other. So, Columbus Day. It fits. When the morning sky twinkled again, this time with Kristang starships jumping in to hammer the Ruhar, we thought we were saved.

A company of Army Rangers is sent on an interstellar colony ship to secure a foothold on a dangerous, alien planet through violence of action. Leaving behind a warring Earth flung headfirst into a conflict of mutual assured destruction, the Rangers and the accompanying crew of first colonists are guided on a 40-year journey by an unprecedented artificial intelligence. But when they emerge from the frigid embrace of cryosleep, they awake to a nightmare, finding themselves greeted by the same ruthless enemy that brought about the ruin of Earth.

In the wilds of a jungle planet, the Legion fights in brutal combat as Republic marines fly their SLICS from one tragedy to the next. H292, a repurposed warbot, shows the heart of a hero as he wades into the battle not to destroy - but to save.

Five years ago, aliens destroyed a carrier and its airwing at Jupiter without warning. Since then, the Earth’s nations have learned to work together, and they want to know more about the aliens who appeared, attacked, and vanished without a trace. The Americans have provided a new carrier. Chinese technology has made going after the invaders possible. And the Russians have developed a new control system that will give the craft never-before-seen capabilities. Mankind’s next war is upon us, and Uplink Squadron is the tip of the spear.

Get ready to experience two more origin stories in the Backyard Starship universe.

Logan Conner is the son of a king, the heir to the largest of the five star-dominions, and the best mech pilot in the galaxy. His people are plagued by pirates and raiders, surrounded by enemies, and not even his father can fight them all. Logan gives up his position, his rank, even his name, and becomes Jonathan Slaughter, leader of a rough-and-ready band of mercenary mech-jocks bent on taking the battle to the enemy on their own terms.

In the wilds of a jungle planet, the Legion fights in brutal combat as Republic marines fly their SLICS from one tragedy to the next. H292, a repurposed warbot, shows the heart of a hero as he wades into the battle not to destroy - but to save.

Once, Jackson Rook was a war hero. Raised from boyhood to pilot an exosuit mech, he’d fought gallantly for the rebellion against the Collectivists. But that was a long time ago, on a world very far away. Now, Jackson Rook is a criminal, a smuggler on board the Multipurpose Supply Vehicle Tar Heel. His latest mission: steal a top-of-the-line mech called the Citadel and deliver it to the far-flung planet Swindle, a world so hostile even the air will kill you. The client: a man known only as the Warlord.

Earth. After the invasion. The planet is in ruins. Humankind struggles to survive. Hayden is a Sheriff in a world without law. A good man in a world gone bad. He knows the fallout of an alien attack when he sees it. He's never seen anything like this before. Isaac is a Marine in a world without order. A good man with troubles of his own. His mission was to protect the innocent, including his son. Instead, he's the only survivor.

Two hundred years ago, aliens invaded Earth. A violent war followed. The enemy won. Some of us escaped, most of us didn’t. On Proxima they flourished - the invasion forgotten. On Earth we floundered - the horror began. Their world is advanced, peaceful, and secure. Our world is broken, savage, and overrun. A new invasion is coming. A hunger that has swallowed half the universe. They don’t care which planet we live on. They want to end us all. But where there is life, there is hope. And where there is hope, there are heroes. This time, vengeance will be ours.

The galaxy was once terrorized by the Sturm, a group of “species purists” intent on destroying any human with genetic or cybernetic enhancements. Fashioning themselves as the one true “Human Republic,” the Sturm cut a bloody swath across the stars, killing billions before finally being defeated and driven into the far reaches of Dark Space. Centuries of peace bred complacency. Everyone believed the Sturm had died out in the Dark. They were wrong.

Brian Polk had been stateside for barely a year after leaving the Air Force when the unthinkable happened. It was an interstellar invasion. The Earupitans' technology and weaponry was so remarkable, humanity never really had a chance. The aliens now walk brazenly among humans - their reptilian eyes always watchful, always scrutinizing. Humanity now lives in fear - freedom is a thing of the past. And then there are those who have befriended the enemy. But not Captain Brian Polk. When he acquires some of the alien technology, he finally has hope of making some small difference.

The plot by the Galactic Union’s Mercenary Guild against the Four Horsemen has culminated in an invasion of Earth. Faced with an overwhelming force, the human mercs had no choice. They’ve fled, leaving Sansar Enkh to go to the Mercenary Guild headquarters on Capital Planet to stand trial for humanity. On the run, Jim Cartwright and Nigel Shirazi have travelled to the Winged Hussars’ secret base of New Warsaw, in an effort to convince Alexis Cromwell to join the fight, while the other mercenaries who escaped the fall of Earth have gone to the perceived safe haven of Karma.

Tucked away in a high-tech Tactical Operations Center, inside an isolated safehouse in the Horn of Africa, sits Agency analyst Zack Altringham. He is Kenyan-born, Princeton-educated, badly burnt-out - and condemned by his language and cultural skills to a lifetime of fighting America's shadow counter-terror wars.

When the Guardians attempt to evacuate a Kree prison planet and end up in a fight for their lives - what else is new? - they discover their old pal Groot is stretched a little thin. Someone is planting stolen branches of the monosyllabic hero and selling the saplings across the galaxy! The search to find Groot's missing pieces forces the Guardians into an alliance with the unscrupulous Collector, but the real problem is more complicated than he wants them to believe.

He was in a gang but was trying to change his future, when a board member of the elite advanced academy NEXUS made a snap decision and offered him a chance. Then fate, or an unbalanced genius, offered him another. The Nexus Academy is for the elite trainees from Earth, and now trials from our alien allies, as they teach the future generation how to fight, lead, hack, spy, and many other talents and tactics. Hired by companies, governments, and NGOs, these graduates work to pay off the massive debt their training at the academy accumulates.

Forced to hyperjump during a brutal ambush, Sara Lorelle, navigator of the Venture, the last human colony ship, discovers a terrible truth: They've jumped to somewhere that shouldn't exist. Trapped inside a pocket universe known only as Hollow Space, where technology inexplicably fails, Sara and her crew have to face the lethal politics of their only destination, Haven - a decrepit station, home to deadly aliens and rival factions that soon sees the Venture crew up to their necks in danger.

After losing his job and family, Flint Reed finds himself in the middle of a terrorist attack. With nothing but his wits and experience as a former Union police officer, he must do everything he can to stay alive. As he soon discovers, however, there are also hostages, and no one is coming to save them. All hope falls to Flint. But as he fights to navigate the building, the real answers begin to unravel. What are the terrorists really after, and why are they so intent on getting into the vault?

Captain James Decker has lived a life of hunting, killing, and earning credits. To some, it hasn’t amounted to much, but to him, it’s led to him captaining the SC Fortune, a space cruiser with a competent crew that he’s grown fond of. After accepting a bounty hunting mission with a beautiful blonde woman as the mark, Decker finds himself soon without a ship and a crew. But as luck would have it, this same mission gives him back what he lost: a new ship and a new crew.

On the fringes of human space, a murder will light a fuse and send two rebels on a planetary scale collision course. This audiobook box set contains the first three books of the Opus X sci-fi series from Michael Anderle: Obsidian Detective, Shattered Truth, and Investigating Deceit. Jia lives on Earth, where peace is a given. Erik is on society’s frontier, where authority depends on how much firepower you wield. She is from the powerful, the elite. He is with the military. Both want the truth—but is revealing it good for humanity?