James Sutton was an average guy—he couldn’t afford college and didn’t really know what he wanted to do with his life. But when his sister Holly goes missing, he finds out he’s been living in a fantasy: An alien really did land in Roswell and the US has had a secret alliance with them ever since. They are symbiotes—capable of bonding with hosts, enhancing their strength, agility, and stamina. Now mankind finds itself in the middle of an alien civil war between two symbiote factions—those who would be our allies…and those who would subjugate us into slavery.

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.

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.

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

For years, pilots who merely looked like soldiers were adequate. They filled the mechs. They filled roles. They supported Spann and his genetic offshoot of pure-blooded warriors known as the Superba. Spann's dream of absolute power ends with a single, crushing blow as a new enemy strikes at the Realm, leaving no survivors—followed by a mad dash to find fighters who can stand up in the old ways, using the mechs gifted to humanity by their oldest allies. Even in the midst of war, there is hope.

Chase had it all planned out. Do a little time in one of the emperor's jails, say a four-year stretch, for getting rid of some trash that no one would miss, and when he got out, the path to leadership would be wide open. Unfortunately, his bastard of a father, the same one who left his mother to die in poverty and him to run wild on the streets, took an interest. Seeing him sitting on the bench when his case went to court was a shock. But not as big a shock as being sentenced to ten years in the Imperial Navy.

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?

After the majority of his body is destroyed during a high-risk operation, Aiden Thorn is subjected to an experimental, potentially lifesaving procedure… one he never tacitly agreed to undergo. With no choice but to see the unorthodox new process through, he accepts his fate and works to adapt to his new life. But when an intergalactic corporation steps in and essentially claims ownership of Aiden and everyone like him, he is forced to do the two things he does best… survive, and fight.

When a bunch of interstellar scavengers approach Earth intending to abduct a few dozen humans and sell them into slavery in the darkest, they make the mistake of picking on Steve Stuart and his friends, ex-military veterans all. Unprepared for humans who can actually fight, unaware of the true capabilities of their stolen starships, the scavengers rapidly lose control of the ship - and their lives.

Drake steals artifacts so they can benefit all of mankind. They belong in a museum, after all, not hoarded by a select few in their private vaults. It's a dangerous life, but someone has to do it. Until he learns of a map to the location of a lost mega-freighter once belonging to the ancient royal family. Drake, like so many before him, can't resist the siren's call. After all, it's the find of a lifetime.

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 . . .

The Amazon rainforest holds a world-changing secret—a ship lost to time from another world. College student Will Kaufman unearthed the biggest archaeological discovery in human history… he just needs to find a way back to Earth to tell people about it. Four thousand years ago, a Federation bounty hunter Void ship crashed on a remote and primitive planet. There it remained until Will found it and accidentally reactivated it, launching him light-years away.

Po Abbato turns to crime in a desperate attempt to free his younger siblings from debt slavery. He's caught, and offered a choice: Spend 25 years in a digital prison while his body rots...or join the Marines.

One man and his family of warriors love nothing better than mech battles, powered swords, and boarding actions. They're about to get their fill. Duke Uron Marlboro led his mighty house to victory in the Zezner war. The last thing he expected was for his political allies to turn on him once the planetary invasion was thwarted. With a civil war brewing between the noble houses, Uron has one option: lead a long-awaited expedition to find his people's mysterious home world.

Mitch's mediocre life has just taken a turn for the worse, so his buddy tries to cheer him up by showing him a secret starship. Unfortunately, everything goes south when hostile aliens arrive. In an effort to save his buddy and the starship from the aliens, Mitch does the obvious thing: he accidentally warps hundreds of light-years away. Marooned in a distant star cluster, Mitch is forced to deal with a snarky teenage AI, a rogue auto-pilot, and a beautiful alien soldier who's ready to steal his ship at any moment—so she can fight an oppressive military faction, of course.