Mark and his brother Tyler survived the slums with a gun in their hand and a blade in their sleeve. While it won't get them hired at a corporation, the Troopers are always looking for trained killers. The EMF offers education, medical care, food, and real pay. They have a chance at a new life, one where they don't have to worry about a rival gang killing them in the street. With a 35-year EMF contract, the Victor brothers might have a new life, but it comes at a hefty cost. Peace doesn't last, and the EMF doesn't care how many troopers die as long as they complete their mission.

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy. As most of the local worlds were too civilized to have a proper army, the only valuable service Earth could provide came in the form of soldiers....

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.

Five years ago, the US Space Force became a reality. And while those writing the checks took things very seriously, the other military branches did not. As a result, Space Force was populated by undesirables. My name is Captain Ethan Stone, a decorated member of SEAL Team Six turned Space Force "recruit". Flash forward five years and between tenses. President West is in office. Power has shifted. And Space Force is defunded. With just a handful of us still living on base, we find ourselves being evicted. But before all of us can leave, aliens invade.

The planet is called Banshee. The air is unbreathable, the water poisonous. It is the home of the most implacable enemies that humanity, in all its interstellar expansion, has ever encountered. Felix is a scout in A-team Two. Highly competent, he is the sole survivor of mission after mission. Yet he is a man consumed by fear and hatred.

You know we have been betrayed. You must discover why. They have put a plan in motion. They have infiltrated your government. They have already turned some of you. They will do whatever it takes to have your planet. The battle lines have been drawn. Whose side are you on?

The world had become used to the metahumans - people sometimes perfectly ordinary, but sometimes quite extraordinary in appearance - who mostly worked with their governments as high-powered peace officers, fighting crime, and sometimes fighting rogue metahumans who had become super-criminals. Then that comfortable world ended in just one terrifying day.

In a corporate-controlled future where the ruling conglomerates genetically engineer their employees, Millicent Foster is the best of the best. Physically perfect and exceptionally intelligent, Millicent is granted the uncommon privilege of breeding. But her daughter inherits more than superior genetics...little Marie has a rare ability that the world has never seen, and her conglomerate, Moxidone, will stop at nothing to have sole possession of the child.

There is more in our world than you know. Deep in the darkness of a government building, one man needs to find the perfect solution to a vampire’s request that the government satisfy the debt of honor owed him. If he falls short, the failure will be paid in the blood of the military. He needs three uniquely qualified individuals. He can find only one. One woman, dying, might be the ace-in-the-hole he needs to appease the Vampire. But then, she might also be the one person needed to save humanity. If she is accepted, will she willingly change?

From USA Today best-seller Robert Armstrong comes the fast-paced sci-fi series Echo Effect. Get the first two titles from the series in this audiobook: Echo Effect and Symphony of Descension.

Star-Lord, Gamora, Drax the Destroyer, Rocket Raccoon, and Groot. They’re the Guardians of the Galaxy, turning a tidy profit as heroes for hire - or they will be if Peter Quill can get his act together. After he botches the most critical part of their latest mission - getting paid - his newly assembled crew is close to ditching him for good. Now he needs a big payday, fast.

Dak Korasa is wounded by his team and left for dead on a hostile jungle world. On the verge of succumbing, he’s saved by a sluglike organism created by an otherworldly entity. This parasite, or chok’tal, has one purpose: to alter its host’s DNA, turning him into a super-soldier known as a Purifier who is then expected to serve in the “Glorious Game.” Imbued with superhuman strength, speed, and endurance, Dak must kill to earn enough points to win the mysterious game—or the chok’tal will kill him.

Caleb Mitchell gave up everything to protect his home. Shunned by friends and family for abandoning the pacifist beliefs of their religion, abandoned by the love of his life, he left his home world of Canaan to go to the Commonwealth Military Academy on Earth and train to fight in the looming war against the implacable alien threat of the Tahni Imperium. When a training mission with a crew of cadets winds up caught in the middle of one of the worst battles of the war, Cal and his fellow students are officially declared dead.

Chase Weston never would have thought that being the bodyguard for an archaeologist could be so dangerous - even this archaeologist digging for the remains of an alien civilization on another planet. But everyone wants what Dr. Angel Cortez has found. Because beneath the dirt and stone, an ancient mystery lies, a secret history, and a warning of an implacable alien enemy. And if the warnings are true, then corporate mercenaries and Sea Dragon commandoes are the least of Chase’s worries.

Devi Morris isn't your average mercenary. She has plans. Big ones. And a ton of ambition. It's a combination that's going to get her killed one day - but not just yet. That is, until she gets a job on a tiny trade ship with a nasty reputation for surprises. The Glorious Fool isn't misnamed; it likes to get into trouble, so much so that one year of security work under its captain is equal to five years everywhere else. With odds like that, Devi knows she's found the perfect way to get the jump on the next part of her plan.

Alex Hunter - in the mission that turned him from a normal man into the weapon known as the Arcadian - and the elite team of soldiers known as the Hotzone All-Forces Warfare Commandos must enter a hostile country to rescue a defected Chechen researcher from the centre of a country at war. But the HAWCs are not the only ones looking for the rogue scientist and the mysterious package he carries with him. A brutal and relentless killer and his death squad are on the trail, too - and they bring a savagery with them that Hunter and his team have never witnessed before in modern warfare.

Captain Max Ahlgren is proud to be one of the first team commanders in the Marine Corps’ nascent MARSOC detachment. Finally, the Corps’ elite warriors are working alongside those of other branches, battling insurgents, not on the front lines but behind them. After his first mission, however, Max learns he will be replaced as team commander.

The world had become used to the metahumans - people sometimes perfectly ordinary, but sometimes quite extraordinary in appearance - who mostly worked with their governments as high-powered peace officers, fighting crime, and sometimes fighting rogue metahumans who had become super-criminals. Then that comfortable world ended in just one terrifying day.

Devi Morris isn't your average mercenary. She has plans. Big ones. And a ton of ambition. It's a combination that's going to get her killed one day - but not just yet. That is, until she gets a job on a tiny trade ship with a nasty reputation for surprises. The Glorious Fool isn't misnamed; it likes to get into trouble, so much so that one year of security work under its captain is equal to five years everywhere else. With odds like that, Devi knows she's found the perfect way to get the jump on the next part of her plan.

Convicted criminal James Griffin-Mars is no one's hero. In his time, Earth is a toxic, abandoned world, and humans have fled into the outer solar system to survive, eking out a fragile, doomed existence among the other planets and their moons. Those responsible for delaying humanity's demise believe time travel holds the key, and they have identified James, troubled though he is, as one of a select and expendable few ideally suited for the most dangerous job in history.

When humanity reaches for the stars, our probes are destroyed. They crash into an incredibly advanced piece of technology: a massive force-field. Unknown beings have placed a barrier around our star and planets, enclosing us within. We’re locked inside a Great Sphere. Was this invisible obstacle built to imprison us - or to protect us? No one knows the truth, but it soon becomes clear the barrier has leaks. Aliens infiltrate and try to sabotage our efforts to escape our cage.

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy. As most of the local worlds were too civilized to have a proper army, the only valuable service Earth could provide came in the form of soldiers....

Two hundred years ago, a fleet of colony ships left Earth and started a settlement on Proxima Centauri. Centurion Space Force pilot Nathan Stacker didn't expect to return home to find his wife dead. He didn't expect the murderer to look just like him, and he definitely didn't expect to be the one to take the blame. But his wife had control of a powerful secret. A secret that stretches across the light years between two worlds and could lead to the end of both. Now that secret is in Nathan's hands, and he's about to make the most desperate evasive maneuver of his life.

All Doctor Dire wants to do is save the world. But those pesky heroes keep getting in the way, and it's all she can do to give them a good fight without killing them. Supervillainy is such an underappreciated job these days....

Archaeologists Pippa Quinn and Charlie Jackson find advanced technology in undisturbed 16th-century graves. A portent, the discovery precedes thousands of giant sinkholes opening up across the globe as extreme weather threatens the population. Charlie suspects the two are related.

The end begins with a viral outbreak unlike anything mankind has ever encountered before. The infected are subject to delirium, fever, a dramatic increase in violent behavior, and a one-hundred percent mortality rate. Death. But it doesn't end there. The victims return from death to walk the earth. When a massive military operation fails to contain the plague of the living dead it escalates into a global pandemic.

A walled city surrounded by lush land, protected by high mountain summits, and fortified by a massive gate to secure the only pass into the valley, The Bastion remained humanity's last hope against the fearsome undead creatures known as the Inferi Scourge. On one fateful day, the valley gate failed and the Inferi Scourge overran and destroyed the human settlements outside the walls, trapping the remaining survivors inside the city. Now, decades later, the last remaining humans are struggling to survive....

Rogue hackers Petal and Gabriel are low on food and water. Their reputation precedes them and they are no longer able to hustle the crime community for supplies. With survival becoming harder, they’re left with no other choice but to accept a risky job from a dangerous individual. The two will have to negotiate with the Tinker - a woman whose reputation for psychotic behaviour is known across the nuclear-blasted Abandoned Lands; infiltrate a town overrun with killers; and recover a cache of exceptionally rare information.

Mysterious blackouts left Kira with precious few memories of events in her life, never mind those worth sharing. Somewhere in those blank spots she acquired skills - skills she was hard pressed to explain. But those skills got her a job as the new navigator for the Rented Mule, a transport ship that plied the Rim Systems at the very edge of human civilization.

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.