Five years after physicist Mark Holder discovered the Slipstream Drive in 2058, humanity reached for the stars and began to colonize the galaxy. For centuries, humans continued to populate system after system without encountering intelligent alien life. Some twelve hundred years later, after many generations of relative peace, in the year 3278, human space is invaded by a powerful and mysterious enemy. To these invaders the very concept of free will is heresy. Their crusade—to eradicate humanity. The war begins, and the fight for the survival of the human race is on.

When the Ornu came, they took Earth in a single night. Humanity never stood a chance. Now, they force us to crew their ships and fight their wars for them. They hold Earth hostage, and if we refuse to do their bidding, they’ll lay waste to our precious blue marble. Slaughtering the billions who live there. But when Captain Bill Henderson is sent to claim a small moon for his masters, he finds something they never accounted for. An ancient warship – a behemoth abandoned for millennia by a species that reached its peak at the dawn of the universe.

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?

In this gripping new military science fiction novel, the universe teeters on the brink of invasion, and the Obsidian Union scrambles to assemble a formidable force of combat pilots. Enter Gordy Harmen, once a legendary Air Force pilot whose illustrious career came to an end due to physical limitations. Desperate and with nothing to lose, Gordy is approached with a tantalizing proposition.

Ben Dailey's Viper Company has one motto: Play hard and fight even harder. The crew is comprised of some of the most elite fighters in the Fleet, though occasionally overconfident and, some might say, obnoxious. So when Dailey is handed down a mysterious, high-security mission that's ostensibly a search-and-rescue for his once-upon-a-time academy rival turned brother in arms, he's convinced there's more to the job than meets the eye. Soon, the USF Murphy is on its way to the edge of the Void to track down what happened to Capt. Rick Bearing and the Asher-5.

Captain Konrad Bradley commands the decommissioned battleship Oberon, the last remaining Titan of the fleet. Mocked as a flying museum-too expensive, too cumbersome, too old-Bradley and his crew of outcasts from a long-vanished colony lead a dull life on the farthest edge of human hegemony. Bradley's hope to go quietly into the night ends with the arrival of the legendary Strike Group 2 and the delivery of a secret so great it could end the war. That's why Lagunia was chosen for its construction.

For generations, we colonized worlds, and the human race spread throughout the galaxy. One discovery could end it all. They called the ship Lady Vengence, and her Captain, Gavin Andal, was young, a bit arrogant, and the perfect fit for a bunch of misfits more interested in shore leave than work. Nobody was interested in being a hero. Sometimes there's no choice.

When the over-driven hyperdrive on their mobile shipyard burned out, the Chhrt'ktk't abandoned it in an inhabited system along their path, hoping it would work as a decoy to buy them more time to escape the Khreetan fleet pursuing them. They didn't anticipate how far the pre-spacefaring species they turned over their broken-down maintenance facility to would subvert their plan.

Ben Hutchins buried his anger to survive. Stranded on a ravaged Earth after a devastating alien annihilation, the haunted young man has nothing except his late father’s cutting-edge exo-suit and a veteran soldier for company. But when he uncovers the truth about his armored prototype, he unwittingly paints a target on his back for those who seek humanity’s destruction.

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.

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.

Michael Freeman is a disabled veteran who had just been fired from his mind-numbing cubicle job, which allowed his opportunistic girlfriend to dump him. Now, he only wants to spend some time at his grandfather's mountain cabin so he can unwind, away from the drudgery of daily life and with a cold beer in his hands. Standing in his way is an ancient spaceship with an emotional AI, nanites that have invaded his body, an international crime syndicate, a suicidal FBI agent on a vigilante mission, terrorists . . . and that's just the beginning.

Kris Chambers is a nobody. A 24-year-old man with a dead-end job and no prospects—and, to top it off, a heart condition that forever keeps him on his toes—he spends his life trapped between apathy, self-doubt, and mortal fear. As he walks down an unfamiliar alleyway, he stumbles upon the lifeless body of a stranger. Unbeknownst to him, this grisly discovery marks the beginning of an entirely new chapter in his life. Upon mysteriously awakening in the hospital, he learns that his heart now functions flawlessly, and he feels… different.

Charlie Travers figures his life can’t get much worse. He lives over a pizza restaurant, he’s lost his girlfriend, and has no prospects for a career. Then, he’s abducted by an alien robot and taken across the galaxy. When he wakes up, he finds himself stranded thousands of light-years away, and about to be killed by space pirates.

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.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

Saddle up and join Wynonna Earp on an immersive new audio adventure in the gritty supernatural world of Purgatory. This Audible Original invites you deeper into the Weird West to follow Wynonna Earp (Melanie Scrofano), as she embarks on her craziest adventure yet: riding off into the sunset with her soulmate, Doc Holliday (Tim Rozon)—yes ... that Doc Holliday. Brace yourself for more wise-cracking demon hunters, earth-shattering revelations and all the genre-blending action you've come to expect from the cult hit TV series.

Inheriting your uncle's supervillain business is more complicated than you might think. Particularly when you discover who's running the place. Charlie's life is going nowhere fast. A divorced substitute teacher living with his cat in a house his siblings want to sell, all he wants is to open a pub downtown, if only the bank will approve his loan. Then his long-lost uncle Jake dies and leaves his supervillain business (complete with island volcano lair) to Charlie. But becoming a supervillain isn't all giant laser death rays and lava pits.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

Ashley Perrin is fresh out of college and starting a job as a community liaison for the Third District–the city’s only sector with more alien residents than humans. Ashley’s barely found where the paper clips are kept when she’s beset with constituent complaints–from too much noise at the Annual Lupidian Celebration Parade to a trip-and-fall chicken to a very particular type of alien hornet that threatens the very city itself. And if that’s not terrifying enough, Ashley is next up at the office karaoke night.