Caleb is a former Marine Raider and commander of the Vultures, a search and rescue team that's spent the last two years pulling high-value targets out of alien-ravaged cities and shipping them off-world. When his new orders call for him to join 40,000 survivors aboard the last starship out, he thinks his days of fighting are over. The Deliverance represents a fresh start and a chance to leave the war behind for good. Except the war won't be as easy to escape as he thought.

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....

Jain and his fleet of elite AI warships hurry to Earth's defense when an alien empire known as the Link stages an all-out attack. Though his fleet is equipped with the most powerful weapons tech ever developed, with enough firepower to raze an entire moon base, even Jain's mighty vessels prove no match for the enemy.

Rade Galaal and his team of special operators are deployed to a colony under attack by a strange new alien race. Their mission: find the extraterrestrial base and destroy it. The operation should be easy, given that his men pilot Brigand mechs: massive, 25-foot-tall war machines armed to the teeth with electrolasers, rockets, incendiary throwers, and more. But it's not easy. Rade and his team soon find themselves in over their heads. Surrounded by an entire world of enraged aliens, they must rely on their wits, their training, and their mechs to survive.

Captain Mitchell "Ares" Williams is a space marine and the hero of the Battle for Liberty whose shot heard 'round the universe saved the planet from a nearly unstoppable war machine. He's handsome, charismatic, and the perfect poster boy to help the military drive enlistment. Pulled from the war and thrown into the spotlight, he's as efficient at charming the media and bedding beautiful celebrities as he was at shooting down enemy starfighters.

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.

In the 25th century, humans have conquered space. The advent of faster-than-light travel has opened up hundreds of habitable planets for colonization, and humans have exploited the virtually limitless space and resources for hundreds of years with impunity. So complacent have they become with the overabundance that armed conflict is a thing of the past, and their machines of war are obsolete and decrepit. What would happen if they were suddenly threatened by a terrifying new enemy?

Former Marine Arthur Holland’s destiny begins when an aircraft crashes on his property in the mountains of Colorado. He moves to investigate and to help any survivors, but the closer he gets the less control he has of his movements. An unknown force urges him to open the door of the mysterious craft, discovering the secret that lies within: a dead, alien pilot and a peculiar, otherworldly crystal. If that wasn’t enough, the crystal feels like it is alive. That’s when he hears a single word inside his mind: run.

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

The best-selling, epic space adventure, Freedom's Fire: the complete series of six audiobooks, in one bundle.

Jon Ryan was supposed to be dead. He wanted to be dead. But Jon wakes up in the far future with an alien burrowing in his chest for salvage. Someone was going to pay for this. Check that. Lots of people were going to pay for this. Jon was the first astronaut to download to an android host to find the population of doomed Earth a new home. But that was so long time ago. He is now literally lost in time.

The Hundred Worlds have withstood invasion by the relentless Hok for decades. The human worlds are strong, but the Hok have the resources of a thousand planets behind them, and their fleets attack in endless waves. The long war has transformed the Hundred Worlds into heavily fortified star systems. Their economies are geared for military output, and they raise specialized soldiers to save our species. Assault Captain Derek Straker is one such man among many.

The Phage War had been a devastating conflict for the Terran Confederacy. Even with the destruction of their terrifying, implacable foe, humanity is still reeling. Political alliances are crumbling, and their mighty fleet is in tatters. There is nothing to celebrate, even after such a complete victory. They soon learn that there are other stellar neighbors - and they've been watching the conflict with great interest. One species comes with an offer of friendship and alliance, but humanity is weary and distrustful.

Jon Ryan is irreverent, cocky, funny, and walks with a swagger. The cocky fighter pilot turned astronaut is also Earth's only chance for survival. The planet Jupiter, thrown off orbit, will destroy Earth in less than a century. Jon volunteers for the most ambitious, desperate mission ever conceived: His consciousness must be transferred into an experimental android host, where he'll live an immortal - and lonely - life. Jon's only companion on his 50-year voyage is his ship's irritable AI.

In the final days of the empire, Cyborg Corps Colonel Leonidas Adler plans to die in a manner befitting of an imperial officer. He will fight until his last breath, giving his life to defend Emperor Markus, as it was meant to be. But when the emperor himself summons him for a final special mission, how can he refuse?

Rade Galaal enrolls in the hardest military training known to man to become a member of the MOTHs, the most elite fighting unit in the galaxy. MOTHs are tacticians, corpsmen, snipers, astronauts, and commandos rolled into one. They also happen to pilot the atomic-powered ATLAS mechs, specialized military hardware that brings new meaning to the phrase "one-man-army".

Before he was the super confident, snarky AI saving Siv Gendin and his friends’ bacon on a regular basis, Silky worked with his first human companion, Eyana Ora, an Empathic Services agent. This was the mission where it all began. Two centuries before the Fall of the Benevolence. A simple covert mission to spy on the Krixis, a telepathic alien race, turns into a desperate bid to save mankind when Silky and Eyana uncover a plot to use a secret super-weapon. But the weapon, a lost piece of ancient technology, holds secrets that neither side expected.

Jain and his fleet of elite AI warships hurry to Earth's defense when an alien empire known as the Link stages an all-out attack. Though his fleet is equipped with the most powerful weapons tech ever developed, with enough firepower to raze an entire moon base, even Jain's mighty vessels prove no match for the enemy.

Years after clean energy ended the world’s reliance on fossil fuels, a lull of peace encompasses all of humanity. Some think we should travel to the distant corners of the galaxy; others oppose the idea, thinking that the harnessed singularity reactors are unnatural. When a terrorist group attacks the Lunar colony, members of the United Nations Peacekeeping Force are divided as a result of the incursion. Years later, Lieutenant Commander Kyle Torres comes face to face with old friends, as he’s thrown into an assignment that could change everything.

Ten thousand years ago, a single alien super-ship survived a desperate battle. The vessel's dying crew set the AI on automatic to defend the smashed rubble of their planet. Legend has it the faithful ship continues to patrol the empty battlefield, obeying its last order throughout the lonely centuries.In the here and now, Earth needs a miracle. Out of the Beyond invade the New Men, stronger, faster and smarter than the old. Their superior warships and advanced technology destroy every fleet sent to stop them.

After almost a century of peaceful exploration and colonization of space, the United Earth Space Force stumbles across a shockingly xenophobic alien race that has more and better armed ships and refuses all attempts at contact. As the outgunned Space Force is driven back in battle after battle in what appears to be a war of extermination, one officer experiences precognitive visions that help him blunt the enemy onslaught, but he can't control or predict when they occur.

Eric was happily retired. His consciousness resided inside the body of an advanced android. He had two beautiful female companions, a platoon of war hero friends, and the entire floor of an apartment building to call his own. He had paid his dues, having saved the world during his previous stint in the army, and now he could live out the rest of his life in peace and quiet. As an android, he expected that life to last a very long time. And then the army came knocking at his door again.

Ruthless bankers are breathing down their necks, vengeful warlords are promising to pursue them across the galaxy, and now a mysterious new client wants Rade and his Argonauts to escort her to a frontier planet. Problem is, the new client won't reveal her cargo. It's probably something illegal. Well, Rade needs the money, so a man's gotta do what a man's gotta do. They arrive to find the frontier colony strangely deserted. When the shit hits the fan and the Argonauts face a possible alien infestation, it's time to pull out the big guns.

They hunt us. They bomb our worlds for target practice. A star cluster in the constellation of Orion rotates once every 1,000 years. Those who rule there have an ancient tradition: When each cycle ends, they train their fleets by spilling the blood of lesser beings. The enemy fleets are coming again. In response, the Rebel Worlds gather their starships to face the terrifying threat, and this time humanity is asked to stand with them. The last time they considered Earth, Vikings in longboats were raiding English coastlines. Today, we're less primitive. Today, we're a target.

It came from deep space. It sent the signal. Now our computers are killing us, helping the enemy drive us into extinction. But some of us refuse to die. We fight back. We learn. Jon Hawkins revives from cryogenic sleep in a drifting SLN battleship. The crew is dead and the main computer has been destroyed. Jon is a soldier, the start of the resistance, the one man with the will to beat the alien death machines that have terminated 1000 races. This is our hour as we face the ultimate evil, the galactic destroyer of life.