He knows it, and so does everyone else in the star nation of Prometheus. A promising naval career down the drain just because he accidentally killed 504 civilians. So, it's time for him to give up and accept a dead-end command on Persephone, the worst starship in the fleet. Until he meets the beautiful and cunning Jessica Lin, his new executive officer, who harbors a terrible secret of her own. Now, with an enemy warship four times their size bearing down on them, Brad's in a race to save Jessica and his stupid ship.

When a battleship and its escorts mysteriously disappear near a contested area of space, they leave no clues behind, and their own Navy is preparing for war and can’t spare the resources to find them. Which wouldn’t really matter to ex-Navy Captain Brad Mendoza. He finally has all he ever wanted: a ship, a crew, and the most beautiful woman in the galaxy as his girlfriend. Seriously, can life get any better? But that’s when Carla Mendoza, his ex-wife, appears, begging Brad for help to find the missing task force and its flag captain, the man she left Brad for.

For four centuries, the Order of the King’s Cross has worked in the shadows to protect Promethean society. Known only to the King and his closest advisors, the agents of the Order carry out their monarch’s will throughout the Federated Planets and their neighboring star nations, cleaning up messes, investigating heinous crimes, and most often, eliminating threats. Heather Kilgore is one of the deadliest agents the Order has ever trained. Young, focused, and coldly efficient, the King sends her in when all else has failed.

Dirriken Friedel used his aristocratic connections to rescue his troops. He didn't plan on starting a war or killing them himself. Now he spends his days in jail, waiting for an assassin sent by his dead officers families to end his misery. When he's broken out by off-duty marines he has a chance to start over, if he's worthy. During his ramshackle escape he collects a broken-down trading ship, a bitter former army officer, a genetically altered religious fanatic, a runaway ingenue, a sham engineer, and a murderous femme fatale.

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.

Fergus Ferguson, repo-man, has one job: find the spacecraft Venetia's Sword and steal it back from Arum Gilger, ex-nobleman turned power-hungry trade boss. Finding Gilger in the farthest corner of human-inhabited space, a gas-giant harvesting colony called Cernee, was easy. The hard part will be getting past a field of space mines, hacking into the Sword's compromised AI, and fighting a crew of hostile enemies to take control of the ship. But when a cable car explosion launches Cernee into a civil war, Fergus finds himself caught in the crosshairs.

In the year 2420, war looms between the galaxy's two most powerful empires: the tyrannical Theocracy and the protectionist Commonwealth. Caught in the middle sits the occupied outpost system Cadiz, where young officer and aristocrat Katherine "Kat" Falcone finds herself prematurely promoted at the behest of her powerful father. Against her own wishes, Kat is sent to command the Commonwealth navy's newest warship, Lightning.

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

The year is 2650. Seventy-five years ago, an alien fleet attacked Earth. Without warning. Without mercy. We were not prepared. Hundreds of millions perished. Dozens of cities burned. We nearly lost everything. Then the aliens abruptly left. We rebuilt. We armed ourselves. We swore: never again. But the aliens never came back. Until now. With overwhelming force the aliens have returned, striking deep into our territory, sending Earth into a panic.

Step into the enigmatic world of the Athos—a vessel that blends the luxury of a cruise ship, the intrigue of a scientific research station, and the might of a military starship. Here, amidst the stars, you'll find Ellis McFadden, the ship’s head librarian, embarking on adventures she never anticipated this late in her career.

For years, while Iran and North Korea kept Western diplomats busy, China and Russia have been quietly seeding the US with spies and soldiers. Now, a silent army of occupation lurks inside US borders, and for America, it is already too late. When the assault begins—via an EMP strike that disables the US electrical grid and neutralizes her defenses all in one fell swoop—the US is caught completely unprepared. The nation is lost, and it is up to ordinary citizens to defend their cities, towns, neighborhoods, or even just their families.

The colony on Haven-7 has gone rogue. The colonists have split into two factions: the Techborn and the Dusters. The Techborn have always ruled the planet. They control the remnants of the crashed starship that brought humanity to this new world. The Dusters… they eat Techborn dust. Now, the Techborn strength is waning. Their weapons are getting old, and radiation leaks from the aging reactors have created mutations. Some of these, like their brutish troops known as Tuskers, have proven useful—but others are abominations.

You can't militarize space. This one rule has led to decades of peaceful development of space programs worldwide. However, increasing resource scarcity and a changing climate on Earth's surface is causing some interested parties - namely India, the North American Union, and the Sinese Federation - to militarize. The discovery of a strange artifact by Dr. Alayna Wong precipitates a crisis. What appears to be a hitherto undiscovered comet is soon revealed to be an alien structure on a cometary trajectory toward the sun.

Ex-Army paratrooper Griffin “Fin” Brooks thought he left danger behind when his battlefield injuries forced him to pursue a new career in marine biology. But one fateful night off the coast of South Africa, a ship nearly crashes into him and his loyal golden retriever, Jacques. Not just any ship. A starship. Though its alien pilot is dead, the rare extraterrestrial animal inside is not. Fin learns the creature is being smuggled across the galaxy when a pair of interstellar visitors respond to the crash. But those same investigators accuse Fin and his dog of crimes he didn’t even know existed.

Lux Blakely, the preteen son of a NASA scientist working on top-secret government projects, is not shackled by accepted scientific theory and dogma. His experiments in gravimetric research and the expanding capability of a nascent AI cause Lux to be closely observed by several government agencies. He discovers a way to use magnetic fields for propulsion, but he needs money. Lux and his friend, Prissy, come up with a way to use his father's developing AI to raise money through social media.

He knows it, and so does everyone else in the star nation of Prometheus. A promising naval career down the drain just because he accidentally killed 504 civilians. So, it's time for him to give up and accept a dead-end command on Persephone, the worst starship in the fleet. Until he meets the beautiful and cunning Jessica Lin, his new executive officer, who harbors a terrible secret of her own. Now, with an enemy warship four times their size bearing down on them, Brad's in a race to save Jessica and his stupid ship.

When a battleship and its escorts mysteriously disappear near a contested area of space, they leave no clues behind, and their own Navy is preparing for war and can’t spare the resources to find them. Which wouldn’t really matter to ex-Navy Captain Brad Mendoza. He finally has all he ever wanted: a ship, a crew, and the most beautiful woman in the galaxy as his girlfriend. Seriously, can life get any better? But that’s when Carla Mendoza, his ex-wife, appears, begging Brad for help to find the missing task force and its flag captain, the man she left Brad for.

For the King’s best assassin, failure is never an option. But when the head of her Order sends her on an impossible mission, Heather Kilgore begins to question everything she knows. And she’ll have to make a choice: Start a war or fail her mission.

For four centuries, the Order of the King’s Cross has worked in the shadows to protect Promethean society. Known only to the King and his closest advisors, the agents of the Order carry out their monarch’s will throughout the Federated Planets and their neighboring star nations, cleaning up messes, investigating heinous crimes, and most often, eliminating threats. Heather Kilgore is one of the deadliest agents the Order has ever trained. Young, focused, and coldly efficient, the King sends her in when all else has failed.

When aliens invade Las Vegas, one man is thrust into a battle beyond imagination, fighting the terrifying shock troops of a sprawling galactic empire. To protect a terrified child, he seizes the strange weapon of a fallen hero—an ancient, sentient sword—and is catapulted far into the future with no way back. Now trapped in an alien world, he must master the sword's mysterious power and navigate a deadly game of political intrigue. But time is running out for humanity.