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.

One man's epic story of loyalty, perseverance, and hope in a galaxy at war. Now in a single volume. Alliance Navy Commander Grayson Stone is patrolling a nearby space station when a mysterious starship appears. It emerges from a storm of fire, its shields impenetrable, its weapons overwhelming, attacking without provocation and annihilating everything in its path.

Go to war or go to jail. For small-time street hustler Cam Alvarez, the choice is simple.... He has no family, no friends, no place in the world...nothing to lose. When his latest con results in the death of a cartel hit man, Cam opts to join the Marines and leave Earth to fight a vicious alien enemy. Drafted into the Marine Drop-Troopers, Cam discovers there’s one thing he’s even better at than running street-con games, and that’s killing the enemy.

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?

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

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.

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.

A company of Army Rangers is sent on an interstellar colony ship to secure a foothold on a dangerous, alien planet through violence of action. Leaving behind a warring Earth flung headfirst into a conflict of mutual assured destruction, the Rangers and the accompanying crew of first colonists are guided on a 40-year journey by an unprecedented artificial intelligence. But when they emerge from the frigid embrace of cryosleep, they awake to a nightmare, finding themselves greeted by the same ruthless enemy that brought about the ruin of Earth.

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

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.

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.

More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.

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.

A short story set in the universe of James S. A. Corey's NYT best-selling Expanse series. Now a Prime Original series. This story will be available in the complete Expanse story collection, Memory’s Legion.

Darrow is a Red, a member of the lowest caste in the color-coded society of the future. Like his fellow Reds, he works all day, believing that he and his people are making the surface of Mars livable for future generations. Yet he spends his life willingly, knowing that his blood and sweat will one day result in a better world for his children. But Darrow and his kind have been betrayed. Soon he discovers that humanity reached the surface generations ago. Vast cities and sprawling parks spread across the planet.

When Barnabas discovers one of the biggest players in his sector, he vows to bring them down. But can he handle an entire fleet bearing down on him?

When a mine owner thinks that he's above the law and continues to utilize slave labor to keep his mines running, Barnabas, a former Ranger One, must fight for justice.

They’ve watched us for centuries through the Rift. They’ve prepared. Invasion is inevitable. The Earth Fleet has known of the Watchers for years, unwilling to share the knowledge with humanity. Now it might be too late. Hidden away from the Fleet, one man is creating a new colony ship destined for the other side of the Rift, but he’s missing a few pieces. Three other people have varied paths to get there. Ace goes from the streets of Earth to the Fleet training facility on the moon. Flint, an ex-Fleet pilot, must decide if a job is worth his life.

After decades hunting wanted offworlders throughout the solar system, Corporate Bounty Hunter Malcolm Graves doesn't bother asking questions. So long as the pay is right, he's the man for the job. And he always works alone. But when a high-profile bombing on Earth has Pervenio Corp clamoring for answers, they force him to team up with a strange, cyber-augmented partner. A young man more interested in statistics than instinct. Their assignment: Track down a suspected group of extremists from Titan who will go to any length to free their moon from the grip of Earth's corporations.

From birth to death, The War is all the citizens of Dystance know. As children it is drilled into their heads that war is the purpose behind all existence. Winter doesn't agree. She's stumbled across remnants of life the way it was before The War began, and now she longs to be as free as her ancestors. With help from her best friend Cedar and the boy she is forbidden to love, Tallow. She believes she can do it. Winter can see a life beyond the Pickets, beyond the constant hunger and the threat of death, beyond the war machine.

On the fringes of human space, a murder will light a fuse and send two rebels on a planetary scale collision course. This audiobook box set contains the first three books of the Opus X sci-fi series from Michael Anderle: Obsidian Detective, Shattered Truth, and Investigating Deceit. Jia lives on Earth, where peace is a given. Erik is on society’s frontier, where authority depends on how much firepower you wield. She is from the powerful, the elite. He is with the military. Both want the truth—but is revealing it good for humanity?

Dominic Moretti was dealing with a lot of issues. Life hadn’t been easy since returning home from Afghanistan. His marriage was on the rocks, his sports betting was out of control, and he was hanging out with the wrong cronies in Manhattan’s Little Italy - just another war hero who couldn’t piece his life back together in the real world. Also, there was that strange, annoying feeling that he was being watched.... Humankind was indeed being evaluated, by the highly advanced Khantam Lom, an alien species in control of much of the galaxy.

Doctor Benjamin Schröder was far from a man of action. In fact, he was a history teacher - chairman of the Castle Rock University history department - and if his life wasn't perfect, it was close. Until, that is the discussion of his star student Elzbietá Abramowski's dissertation on Operation Oz, the Pacific Allies' invasion of Vladivostok, was brutally interrupted. The psychotic episode that turned his entire world upside down struck with absolutely no warning, and it was more terrifying than anything he should have been able to imagine.

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.

Higgens has the best job in the galaxy. Except for the fact that he’s technically a janitor on a galactic mining vessel. When he discovers an unknown alien species, his world gets turned upside down. He will have to find unlikely allies if he is going to save his new friend and help her build a new home. The Mimic and the Space Engineer boxed set contains the first three books in the Space Shifter Chronicles. If you like fast-paced space adventures with engaging, and quirky, characters, you will love Higgens, Mimic, and their adventures in space.

When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take!

Hail Bristol: former runaway princess, interplanetary gunrunner, Empress of Indrana. When the Empire's closest ally asks her to intervene in a galactic military crisis, she embarks on the highest stakes diplomatic mission Indrana has ever faced. Caught between two powerful alien civilizations at each other's throats, Hail has one chance to make peace before all of humanity becomes collateral damage in a full-blown galactic war.

During the day, he’s a South Chicago high school janitor, slopping a mop around from nine o’clock to three o’clock, five days a week. At night, hiding out in a boarded-up factory, he attends to his damaged interstellar spacecraft, making repairs and counting the days until he can return to his homeworld of Calunoth. All he needs to do is mind his own business and avoid any messy human dramas for just a few more weeks. But it is on one of those quiet nights when he hears them outside: the MP140s. Named for a police radio code for murder, they're among the most ruthless killers.

The galaxy was once terrorized by the Sturm, a group of “species purists” intent on destroying any human with genetic or cybernetic enhancements. Fashioning themselves as the one true “Human Republic,” the Sturm cut a bloody swath across the stars, killing billions before finally being defeated and driven into the far reaches of Dark Space. Centuries of peace bred complacency. Everyone believed the Sturm had died out in the Dark. They were wrong.

Crossover is the first novel in a series which follows the adventures of Cassandra Kresnov, an artificial person, or android, created by the League, one side of an interstellar war against the more powerful, conservative Federation. Cassandra is an experimental design - more intelligent, more creative, and far more dangerous than any that have preceded her. But with her intellect come questions, and a moral awakening. She deserts the League and heads incognito into the space of her former enemy, the Federation, in search of a new life.