They fight the wars nobody else wants to. The Frontier Corps are the Terran Empire's repository for failures, malcontents, criminals, and other people with nothing left to lose but to sign their names on the dotted line of a ten year contract for another shot at life. But flung across the stars to face horrifying enemies, it may as well be a death sentence.

Vincent Solaris is a teenager drifting through life who manages to graduate Ethics School by the skin of his teeth. His unplanned future changes dramatically when he is arrested and charged with crimes against the Central Committee after a night of drinking. While he escapes the gallows, Vincent is sentenced to three years of service in the Earth Defense Forces. Vincent is sent off to train, thinking that he'll simply spend the next few years lazing away at the edges of human-controlled space. This idea is shattered when a mysterious alien army attacks.

During the peak of the Afghanistan War, a group of soldiers is dropped by helicopter into the remote mountains outside of Kandahar City. Mismanaged and overlooked by command, the squad must rely on each other to survive. Their mission is to train and advise the Afghan National Police and help rebuild the country of Afghanistan. The Afghan Police station they are assigned to live in is falling apart and disease-ridden.

For centuries, mankind has searched for nonhuman civilizations in the cosmos. These lost alien societies have finally been discovered—but they were destroyed long ago. Devin Starn starts off as a lowly rock rat aboard Borag, a mining ship working the dangerous end of the asteroid belt. Slowly, he gains prestige and purpose. When an alien base is uncovered, however, he must risk everything to protect his ship and her crew. What wiped out all the civilizations that came before humanity?

Orcs. Trolls. Wraith riders. Dark wizards. Together, they form an unstoppable force. Or so they thought. Dark Army...meet the US Army Rangers. When a Joint Task Force of elite Rangers are transported to a strange and fantastic future where science and evolution have incarnated the evils of myth and legend, they find themselves surrounded, pinned down, and in a desperate fight for their very survival - against nightmares of flesh and blood made real. Which means only one thing. It’s time to Ranger up and stack bodies.

In the wilds of a jungle planet, the Legion fights in brutal combat as Republic marines fly their SLICS from one tragedy to the next. H292, a repurposed warbot, shows the heart of a hero as he wades into the battle not to destroy - but to save.

When Lt. Simon Brooks discovered an alien AI, he made a name for himself as an officer in the Unified Earth Fleet. And while his tech skills are next level, he has a lot to learn about running a combat squadron. After flubbing a training exercise, Brooks is set to choosing worlds for human colonization, and he thinks he has the perfect candidate: Vega. But rumors and intelligence reports make him think there’s something there that the Sleer missed.

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.

From the bottom of the oceans of the world a hidden threat stalks mankind—probing, testing our weapons and defenses, biding time to strike. In the summer of 2039, this aquatic foe unleashes surprise attacks against coastal cities around the globe. Mankind faces a sophisticated new enemy, arrived from the depths of space and lurking in the dark blackness of the seas.

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?

For a thousand years, the Sabbat Worlds have been lost to the Imperium, claimed by the dread powers of Chaos. Now, a mighty crusade seeks to return the sector to Imperial rule. And at the forefront of that crusade are Colonel-Commissar Ibram Gaunt and the Tanith First and Only - better known as Gaunt’s Ghosts. Trapped in the grinding trench warfare of Fortis Binary, the Ghosts find themselves drawn into a conspiracy to assassinate the crusade’s leader, Warmaster Macaroth.

In a prosperous yet gruesomely violent near future, superhero vigilantes battle thugs whose heads are full of supervillain fantasies. The peace is kept by a team of smooth, well-dressed negotiators called The Men in Fancy Suits. Meanwhile a young girl is caught in the middle and thinks the whole thing is ridiculous. Zoey, a recent college graduate with a worthless degree, makes a reluctant trip into the city after hearing that her estranged con artist father died in a mysterious yet spectacular way.

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

When the Solus Hegemony’s profit margins are threatened, expendable soldiers are called in to foot the bill—one bloody conquest at a time. Noah Rivers is one such soldier. Raised from birth with a single objective—obtain eternal glory through death in service to the galaxy’s most notorious corporate empire.

This audiobook brings together 13 uproarious short stories and one novella, focused on Ciaphas Cain, Hero of the Imperium. His stories are celebrated as heroic propaganda pieces, but he’s simply trying to stay alive in a hostile galaxy.

The plot by the Galactic Union’s Mercenary Guild against the Four Horsemen has culminated in an invasion of Earth. Faced with an overwhelming force, the human mercs had no choice. They’ve fled, leaving Sansar Enkh to go to the Mercenary Guild headquarters on Capital Planet to stand trial for humanity. On the run, Jim Cartwright and Nigel Shirazi have travelled to the Winged Hussars’ secret base of New Warsaw, in an effort to convince Alexis Cromwell to join the fight, while the other mercenaries who escaped the fall of Earth have gone to the perceived safe haven of Karma.

Logan Conner is the son of a king, the heir to the largest of the five star-dominions, and the best mech pilot in the galaxy. His people are plagued by pirates and raiders, surrounded by enemies, and not even his father can fight them all. Logan gives up his position, his rank, even his name, and becomes Jonathan Slaughter, leader of a rough-and-ready band of mercenary mech-jocks bent on taking the battle to the enemy on their own terms.

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.

Tired of sitting out the war on Psydon in a mobile office lab, Legion Lieutenant Washam agrees to undertake a covert and unsanctioned mission with a band of Republic Recon Marines. Inserted deep behind enemy lines, the strike force uncovers a surprise key to ending a bitter war. Now they must navigate a hostile jungle teeming with murderous alien rebels, pushing themselves to the limits of their abilities, to get this vital intel to Legion Command - if they can survive that long.

The first book in an action–packed new SF adventure series. Vulcan is a factory planet, centuries old, Company run, ugly as sin, and unfeeling as death. Vulcan breeds just two types of native: complacent or tough. Sten is tough. When his family is killed in a mysterious accident, Sten rebels, harassing the Company from the metal world’s endless maze-like warrens. He could end up just another burnt–out Delinquent. But people like Sten never give up.

In the wilds of a jungle planet, the Legion fights in brutal combat as Republic marines fly their SLICS from one tragedy to the next. H292, a repurposed warbot, shows the heart of a hero as he wades into the battle not to destroy - but to save.

Soldiers of the Terran Armor Corps wage war across the stars. Wired into mechanized battle suits, they fight the terrifying battles that must be won, no matter the cost. Their deeds are legend, their reputation feared by the enemies of Earth and her allies, but how the Corps forges young men and women into mighty warriors is shrouded by mystery. Roland Shaw lost his parents to war; he volunteers for the Armor Corps to honor their memory and discover just how far he can push himself.

Two hundred years ago, aliens invaded Earth. A violent war followed. The enemy won. Some of us escaped, most of us didn’t. On Proxima they flourished - the invasion forgotten. On Earth we floundered - the horror began. Their world is advanced, peaceful, and secure. Our world is broken, savage, and overrun. A new invasion is coming. A hunger that has swallowed half the universe. They don’t care which planet we live on. They want to end us all. But where there is life, there is hope. And where there is hope, there are heroes. This time, vengeance will be ours.

The New York Times best-selling master of alternate history delivers the captivating first novel in his new World War II series. Harry Turtledove imagines how the war in Europe would have ended had British prime minister Chamberlain refused to allow Hitler's annexation of the Sudetenland.

They were the Savages. Raiders from our distant past. Elites who left Earth to create tailor-made utopias aboard the massive lighthuggers that crawled through the darkness between the stars. But the people they left behind on a dying planet didn't perish in the dystopian nightmare the Savages had themselves created: they thrived, discovering faster-than-light technology and using it to colonize the galaxy ahead of the Savages, forming fantastic new civilizations that surpassed the wildest dreams of Old Earth.

Caleb is a former Marine Raider and commander of the Vultures, a search and rescue team that's spent the last two years pulling high-value targets out of alien-ravaged cities and shipping them off-world. When his new orders call for him to join 40,000 survivors aboard the last starship out, he thinks his days of fighting are over. The Deliverance represents a fresh start and a chance to leave the war behind for good. Except the war won't be as easy to escape as he thought.

Once, Jackson Rook was a war hero. Raised from boyhood to pilot an exosuit mech, he’d fought gallantly for the rebellion against the Collectivists. But that was a long time ago, on a world very far away. Now, Jackson Rook is a criminal, a smuggler on board the Multipurpose Supply Vehicle Tar Heel. His latest mission: steal a top-of-the-line mech called the Citadel and deliver it to the far-flung planet Swindle, a world so hostile even the air will kill you. The client: a man known only as the Warlord.

He raised an army against those who took everything from him. They should have picked their enemies more carefully. Five centuries from now, on a remarkably Earthlike planet that is mankind's sole colony in space, religious fanatics called the "Salafi Ikhwan" have murdered the uncle of former colonel Patrick Hennessey. That was their first mistake, because uncle was rich and Hennessey was rather a good colonel. But they also murdered Hennessey's wife, Linda, and their three small children, and that was their worst mistake for she was the only restraint Hennessey had ever accepted.

Eighteen-year-old Robert Weekes is a practitioner of empirical philosophy - an arcane, female-dominated branch of science used to summon the wind, shape clouds of smoke, heal the injured, and even fly. Though he dreams of fighting in the Great War as the first male in the elite US Sigilry Corps Rescue and Evacuation Service - a team of flying medics - Robert is resigned to mixing batches of philosophical chemicals and keeping the books for the family business in rural Montana, where his mother, a former soldier and vigilante, aids the locals.

A thousand years ago, an alien invasion set humanity back to the Iron Age. Slowly, we recovered, colonizing the Solar System in peace. And discovered that an unknown force is stopping us from exploring any farther. But before the cause can be discovered, a slow-burning conspiracy threatens to explode into System-wide war. With enemies at home and in the darkness beyond, a team of unlikely heroes-a janitor, a mercenary, an asteroid miner, and a pirate-are the only ones who can avert a second apocalypse. This set includes the first three books of the newly-finished REBEL STARS series.