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.

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.

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.

It was every starship captain’s nightmare, and for Travis Miller, it was his own personal hell. He’d done everything by the book, but when the Tahni had attacked him and his crew, there was no choice but to return fire and destroy the first alien vessel humans had ever encountered. Excoriated in the press, his career in shambles, Travis is exiled to a long patrol of the outer colony worlds. Forgotten, except as a bad example...until the Tahni prove him right by declaring war on the human commonwealth.

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?

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.

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.

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.

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.

Charlie Travers figures his life can’t get much worse. He lives over a pizza restaurant, he’s lost his girlfriend, and has no prospects for a career. Then, he’s abducted by an alien robot and taken across the galaxy. When he wakes up, he finds himself stranded thousands of light-years away, and about to be killed by space pirates.

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy. As most of the local worlds were too civilized to have a proper army, the only valuable service Earth could provide came in the form of soldiers....

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

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.

Tyler Callas is the pampered heir of a high-level Corporate Council executive, groomed from birth to take a seat beside her as a member of the ruling class of the Commonwealth society. But the bloody war with the alien Tahni has hit close to home and Tyler wants to join the military, something his powerful mother won't allow. Desperate to escape her control, Tyler changes his identity to Randall Munroe, a product of the poverty-stricken Underground, and enlists in the Marines.

Orcs. Trolls. Wraith riders. Dark wizards. Together, they form an unstoppable force. Or so they thought. Dark Army...meet the US Army Rangers. When a Joint Task Force of elite Rangers are transported to a strange and fantastic future where science and evolution have incarnated the evils of myth and legend, they find themselves surrounded, pinned down, and in a desperate fight for their very survival - against nightmares of flesh and blood made real. Which means only one thing. It’s time to Ranger up and stack bodies.

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.

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.

Hard times make for strong men, and Antonin Murdock’s childhood was as rough as it gets. Now, he’s a Ranger, the only law for colonists seeking their fortune far from home. Murdock’s investigation into a missing freighter takes him to Coracaesium, a world he discovers has been turned into a stronghold by brutal pirate forces. They are more organized than anything he’s seen before, equipped with advanced weaponry, and led by a tactical and strategic genius.

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.

Alien tech discovered. The race to claim it could spark a new kind of War. When a derelict alien starship appears in the solar system and crash-lands on Mars, it ignites a desperate race to be the first to reach the Red Planet to claim the mysterious technological treasures of the Visitor. Space Force General Tom Bradstreet, ace Air Force fighter pilot and the only active-duty officer with actual space combat experience, is given control of the Morrigan, the first manned mission to Mars—and the first space warship.

Heir to one of the leading "Four Horsemen" mercenary companies, Jim Cartwright is having a bad year. Having failed his high school VOWS tests, he's just learned his mother bankrupted the family company before disappearing, robbing him of his Cavalier birthright. But the Horsemen of eras past were smart - they left a legacy of equipment Jim can use to complete the next contract and resurrect the company.

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.

Tyler Callas is the pampered heir of a high-level Corporate Council executive, groomed from birth to take a seat beside her as a member of the ruling class of the Commonwealth society. But the bloody war with the alien Tahni has hit close to home and Tyler wants to join the military, something his powerful mother won't allow. Desperate to escape her control, Tyler changes his identity to Randall Munroe, a product of the poverty-stricken Underground, and enlists in the Marines.

In the 35th century, mankind has colonized vast reaches of space, yet war remains constant as galactic governments and interstellar corporations fight for control of resource-rich planets and lucrative interstellar trade routes. And if centuries of war has taught man one thing, it's that planets are valuable and lives are cheap.

Charlie Travers figures his life can’t get much worse. He lives over a pizza restaurant, he’s lost his girlfriend, and has no prospects for a career. Then, he’s abducted by an alien robot and taken across the galaxy. When he wakes up, he finds himself stranded thousands of light-years away, and about to be killed by space pirates.

The war against the AI was won but a new threat is rising. Hank Spears is content with his life as a scrapper until he unearths an artificial intelligence who warns him of a grave threat to all life in the universe. Since AI has long been outlawed and anyone caught harboring one is imprisoned or executed, the two must go on the run, fleeing into the far reaches of space. They must avoid capture, all for the sake of those who would imprison them. Looking for help from old friends to fight new enemies, Hank must find a way to save himself so that he can save the universe.

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.

After a cataclysmic interstellar war that came very close to exterminating humanity, the Daybreak Republic has risen from the ashes and embarked upon a mission to unite hundreds of human colony worlds under its banner, in hopes of preventing a second and final conflict that will complete the destruction of the human race. But not everyone agrees that the empire's ends justify the means.

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.

Brent Parthet just wanted to be left alone. A deadly supercommando in the Southwind War, Brent had retired a hero to a wildlife preserve as far from civilization as possible to enjoy the simple life with his wife and young son. But when one of the Southwind, the massive, genetically-engineered slaves who'd rebelled against their human masters, shows up at Brent's door, asking for help from an old enemy, Brent will find out that the war isn't really over. And he may have been fighting for the wrong side.