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.

Sergeant Paxton Alejo is a League of Humanity Marine Commando, the best of the best. After getting sent to oversee a batch of fresh conscripts, Pax makes the fateful decision to sacrifice his life to save his subordinates. He is posthumously awarded the Cross of Honor, the highest military medal . . .

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.

Jason Burke was a man hiding from himself in a small cabin high in the American Rocky Mountains when his simple, quiet life was shattered one night by what he first assumed was an aviation mishap. But when he investigates the crash, what he finds will yank him out of his self-imposed exile and thrust him into a world he could have never imagined.

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.

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.

The extra-galactic bridge between Earth and Terra Nova reopens after decades. Governor Hale calls for aid against an impossible alien threat known as the Inheritors, an advanced alien species with a mysterious connection to old allies. Hale needs the most powerful soldiers in the galaxy: Armor.

Two centuries after the Confederation staved off an invasion by the robotic Locusts, Captain Jack Romanoff faces mandatory retirement from an ever-shrinking navy. Actions speak louder than words. The Confederation doesn’t think the Locusts are coming back. But what if the politicians are wrong?

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.

During a test flight for the world’s first warp engine, Major Noah Gantz is set to go down in the history books. Despite years of training, the mission goes sideways, and instead of a quick trip to the moon and back, Noah's ship is transported across the universe to stars unknown.

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.

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.

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

Left to die on a volcanic world by the Skrull, McGill and his mercenaries face waves of missile attacks with nowhere to hide. When the Skrull seal themselves inside an impenetrable energy dome, McGill knows he has to get creative. Even if that means sabotaging alien power plants, blackmailing his superior officers, and using his own troops as bait in a deadly game of cat and mouse.

Tired of sitting out the war on Psydon in a mobile office lab, Legion Lieutenant Washam agrees to undertake a covert and unsanctioned mission with a band of Republic Recon Marines. Inserted deep behind enemy lines, the strike force uncovers a surprise key to ending a bitter war. Now they must navigate a hostile jungle teeming with murderous alien rebels, pushing themselves to the limits of their abilities, to get this vital intel to Legion Command - if they can survive that long.

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.

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.

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.

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.

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.