Beneath the surface a war rages between the surviving demons still inhabiting the Earth and those few, the initiated, who fight to keep it buried deep where it belongs in the darkest shadows. Troy Odell was doing what he did best, taking the fight to the enemies of the free world. No two missions were ever the same, but he never expected his world to turn so violently upside down as it did. The only surviving member of his team of US Marine Raiders, he finds himself drawn into that secret battle.

The year is 1989. America has just invaded Noriega's Panama. And Specialist Bennett's platoon of Cav Scouts are in country… with, frankly, not a whole lot to do. Until a freak rainstorm somehow transports the entire platoon—Humvees, weapons, and all—to another world. A world controlled by a wicked Aztec god. The Land of the Black Sun. In a heartbeat, the Scouts find themselves fighting for their lives against savage beasts, witches, zombies, subhuman tribes seeking sacrifices… and even themselves.

Sergeant Paxton Alejo is a League of Humanity Marine Commando, the best of the best. After getting sent to oversee a batch of fresh conscripts, Pax makes the fateful decision to sacrifice his life to save his subordinates. He is posthumously awarded the Cross of Honor, the highest military medal . . .

Mankind is no longer the dominant species. When Harrison Kent suggests an outing to a remote campsite in Colorado, his friends are all eager for a few days of fun and adventure. What awaits them, though, is far more than they ever bargained for. They learn that Sasquatch is real, but these are not the shy creatures of legend. A madness has claimed them, erasing their once peaceful nature and leaving in its wake a rampaging horde of monsters that's about to descend upon the unsuspecting residents of a remote town.

Ranger Quinn thought that morning would be like so many others. A hangover, a day off before going back to work keeping the lower levels of Zion City safe from itself. But a crime so horrific, so brutal in its execution, turns those mundane expectations around. An investigation into the death of a senior leader in their underground utopia safe from the harsh radioactive wastelands beyond their walls forces Quinn beyond that safety and into the world outside.

The Amazon rainforest holds a world-changing secret—a ship lost to time from another world. College student Will Kaufman unearthed the biggest archaeological discovery in human history… he just needs to find a way back to Earth to tell people about it. Four thousand years ago, a Federation bounty hunter Void ship crashed on a remote and primitive planet. There it remained until Will found it and accidentally reactivated it, launching him light-years away.

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 scum hiding deep inside the Reach out along galaxy's edge thought they could kill her and not pay the price. For years these hardened killers have run roughshod over the lawless worlds where Republic justice is never as fast as the blaster in your hand and where double-crosses and death are a part of every deal. They thought this time would be no different. They were wrong. This time, the Guild sent the legendary bounty hunter Tyrus Rechs. As the infamous Rechs pursues the men who murdered his colleague, he's hell-bent on justice.

Po Abbato turns to crime in a desperate attempt to free his younger siblings from debt slavery. He's caught, and offered a choice: Spend 25 years in a digital prison while his body rots...or join the Marines.

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.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

Recon Marine Conor McCall didn’t expect action during his training op in the icy waters off Norway. But when a bizarre summer fog engulfs his boat, he and his team find themselves in a fight against strange, cruel monsters from the depths of the North Sea. When even their allies are enemies, the Recon Marines must do what they have always done: adapt or die. But with a world of ice and monsters seeking to destroy them, every second is mission-critical.

Alien tech discovered. The race to claim it could spark a new kind of War. When a derelict alien starship appears in the solar system and crash-lands on Mars, it ignites a desperate race to be the first to reach the Red Planet to claim the mysterious technological treasures of the Visitor. Space Force General Tom Bradstreet, ace Air Force fighter pilot and the only active-duty officer with actual space combat experience, is given control of the Morrigan, the first manned mission to Mars—and the first space warship.

Lieutenant Bannon and his phalanx of Corvanite warriors have already seen some of the worst that the irregular war between the reptilian otuchans and the human latecomers can offer. Or so they think. First Sergeant Draven, trying to hold his company of Zolarian citizen soldiers together, has been on the desolate planet of Zhogalgan longer than Bannon. He's seen even more. Yet while they are both there as peacekeepers, they are not there to help each other.

Elania's life takes an unexpected turn when demon-worshiping cultists summon her to their world, aiming to revive their dead god. When their hated foe strikes, she escapes into Eladu's darkest depths. Amidst savage predators and underground monsters, Elania discovers her newfound abilities are both a formidable ally and a haunting burden that threatens to reshape her very soul. To climb higher towards civilization means she must contend with anti-demon sentiment and those who would use her as a source of arcane power. But Elania is not alone in her struggles.