It is a time of accelerating technological change and shifting allegiances as the old rules fall away and the old balance of power is upended. A new world rises - one of unshackled AIs, indestructible starships, ethereal quantum spaces, and potent new weapons - and the race is on to determine who will control its future.

They won't settle for mere victory. They want to exterminate us. Every last one of us. A surprise attack has sent the Star Alliance fleeing for its life. A remnant of a remnant, their meager fleet—all that remains alive—flees to what seems like a safe harbor: a forgotten backwater planet called Earth. Join ace fighter pilot Chase as he teams up with the modern-day militaries of Earth and fights the last battle for the universe.

Reidon Ward will become a god. He doesn't know it yet, of course. Reidon was born weak, sickly, and small. Afflicted with a painful disease and abandoned by his parents because of it, he has had to fight tooth and nail for every minor advantage life has allowed him. However, his perseverance has not gone unnoticed, and when the most powerful artificial intelligence in human history takes an interest in him, things began to change quickly.

A formidable alien armada stands on the brink of vanquishing the cosmos, their gaze set firmly on every inhabited world. The last line of defense? An eclectic crew of improbable champions: a maverick starfighter pilot, a daredevil stuntwoman, a lethal super-assassin, and a cosmic prankster with alien tricks up his sleeves. Their mission is to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

My name is Kazimir Wolfe. People call me "Kaz", except they don’t. I never use my real name; it’s too dangerous, for me and for anyone I meet. I’m on the run from the law, who think I killed my aunt, and from whoever did kill her, because they want to finish the job. So, I move around a lot, working construction or whatever job I can find. It’s a lonely life. I don’t let anyone get close...people who get close to me end up dead. Why? I’m a wizard. The world’s only wizard, as far as I know.

As if nearly burning up in a freak accident on her way to Earth wasn't bad enough, Daisy had a whole mess of other trouble on her plate. Big trouble. And she was going to get to the bottom of it if it was the last thing she'd do, which it was starting to look like it very well might be. The thing is, Daisy had a simple rule for space travel. Don't blow up, and so far she'd been managing to abide by that, but mere survival wasn't enough.

Fight, survive, adapt, and rely only on yourself. That is Derek’s creed and what's got him through the System Integration on Earth. Everything changed when the System came. Cute bunnies and beautiful butterflies became savage killing machines. Then the Invaders arrived with a single goal: to obtain ownership of this new habitable planet. War has raged ever since. None of this mattered much to Derek, aside from making living a little more perilous.

The descendants of a fourth Earth colony ship, Destiny, successfully establish a foothold in unoccupied space. Naiad, the home world, is a frozen ball, but the colonists persevere and expand through wormholes to remote systems. Navigating the time-space anomalies requires Axis-ships. The expensive vessels are constructed by corporations, and remote worlds are claimed by the companies for their valuable ores and gases.

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.

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.

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

Long before Casmir Dabrowski and Kim Sato leave their world for the epic adventures of the Star Kingdom series, long before they outwit terrorists and mercenaries and do battle on a galactic scale, long before they become best friends and roommates...they have to meet for the first time. This is that story.

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.

Commander Dalton Reeves is a maverick officer with exceptional genetic strength and a dark family history—a history that will come back to haunt him. Punished for exceeding orders one time too many, he’s packed off to the "The Abyss"—the most dangerous space station in the galaxy. But a posting that should have led to five years in obscurity will propel Reeves into the center of an interstellar war against a long-forgotten alien adversary with a bitter grudge.

The year is 2380, and the graduating cadets of Aurora Academy are being assigned their first missions. Star pupil Tyler Jones is ready to recruit the squad of his dreams, but his own boneheaded heroism sees him stuck with the dregs nobody else in the academy would touch....

The year is 2322. Humanity has expanded into the stars, inhabiting over 100 worlds across a third of the galaxy. Though thriving as never before, they have discovered neither alien life nor the key to utopia. Earth struggles to retain authority over far-flung planets and free-wheeling corporations, while an uneasy armistice with a breakaway federation hangs by a thread as the former rebels rise in wealth and power.

It is a time of accelerating technological change and shifting allegiances as the old rules fall away and the old balance of power is upended. A new world rises - one of unshackled AIs, indestructible starships, ethereal quantum spaces, and potent new weapons - and the race is on to determine who will control its future.

Commander Scott McNabb and the crew of the science vessel, Hermes, are three years into a five-year-long survey of the asteroid belt when they discover a derelict spaceship in orbit around a binary asteroid. The ship contains an experimental quantum device, lost while en route to a research colony on Europa.

The year is 2164. Humanity has slipped the surly bonds of its golden sun, and prospers as it finds a way across the stars. A new era of exploration dawns, its citizens asking the question eagerly: “Is there anyone out there?” Now, the answer comes suddenly and violently, a surprise attack on a peaceful colony. Deadly conflict, long forgotten by the governments of Man, makes itself known once more. New enemies emerge from the void: children of war, heirs to its terror and splendor. But this foe too has questions to answer, faced as it is with a civilization previously unimagined.

A disgraced hero. A galaxy on the brink. The fate of humanity lies in the balance. Kel Chaada was once a celebrated war hero—until his victories uncovered the dark secrets of humanity’s immortal rulers. Branded a fugitive and forced into exile, Kel flees to the edges of the galaxy, only to discover ancient alien civilizations with unimaginable powers. These forces could reshape the future of the Milky Way, but they come with a dangerous allure. When a new galactic threat emerges, Kel must decide: will he harness these newfound powers to protect humanity, or succumb to their temptation ...

When Thomas heard the cries for help, he didn’t hesitate to do the right thing. It was his chance for redemption. Until everything went wrong. The cave should have been deserted. The perfect place to hide. Instead, it’s crawling with soldiers and engineers working to unearth the impossible: Excalibur.

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.

Captain Axel Finn has spent his life running salvage missions with an alien crew and their war bot. This motley group has found refuge on his ship from their own tumultuous pasts. But little do any of them know, beneath his gentle demeanor, their steadfast captain is far from the peace following, adventure seeking giant of a man they all love. His pacifist ethos meant to safeguard them has edged them to the brink of financial ruin and drawn dangerous enemies.

In Amaranthe, where exotic alien life, AIs, wormholes, indestructible starships and the promise of immortality rule the day, no feat seems out of reach for humanity. But when the worlds of Aurora Rhapsody and Asterion Noir collide and the Rasu horde descends upon them both, more will be asked of heroes past and future. More will be given and more taken, and when the dust settles the very fabric of Amaranthe will be changed forever.

Kai Fletcher thought he could go straight, until he couldn’t. And when his last "last" job goes wrong, he finds himself stowed away in a starship belonging to an alien crime syndicate. Forced into servitude to pay the debt for passage off world, Kai bargains with the syndicate. All he has to do is help them rob the Vakness Empire, the most powerful alien empire in known space, and he gets to go home. Easy Peasy. Until it isn’t.

Launched to carry the human species across the galaxy, Starship's generations-long journey has crumbled as machines took everything from their human creators, including life itself. Given a mission by humanity's last digital remnants, Gamma must traverse Starship's vast, dangerous bulk in search of a way to preserve Starship's original purpose. Yet Gamma isn't the only intelligent machine on Starship, and some want a very different end as the spacecraft approaches its final destination

Ten years ago, Captain Colderaro was the star of the Confederacy Task Force. And then she disappeared. Now, presumed dead, she prefers to keep a low profile. Working as a pilot on a freighter ship, she occasionally accepts the odd refugee passenger to appease her humanitarian conscience. But things go downhill when her cargo turns out to be none other than the princess of a foreign race and her two bodyguards. Embroiled in a galaxy-wide scheme, Captain Colderaro finds herself dodging the Confederacy Task Force, space pirates, and mercenaries intent on capturing the princess. Can she make it...

Terminal Lance Lucky Lee Savage likes his life. Sure, doing PT hungover is a pain, but no one can dodge responsibility like he can - or sweet-talk the cooks into giving out double rations.

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.

Few know the warship’s actual name. But everyone has heard the rumors. The PUV James Keeling can do something no other vessel in existence can do—slip into another dimension, travel undetected, then re-emerge onto our plane and surprise enemy targets. But the thing that makes the Crypt unique also makes it a nightmare for those onboard; interdimensional travel causes hallucinations, violent behavior, and psychotic breakdowns. Keeling could be the Union’s greatest weapon, a game-changing asset that can defeat the bloodthirsty zealots of the Purist Nation, the Union’s mortal enemy.