Ten years ago, Hell Diver Xavier "X" Rodriguez fell to Earth. Those he left behind went on without him aboard the airship he once called home. Michael Everheart - the boy once known as Tin - has grown into a man and the commander of Hell Diver Raptor Team. While Michael dives to help keep the Hive in the air, Captain Leon Jordan rules with an iron fist at the helm of the ship. But unrest stirs under his strict leadership as a prophecy of hope sweeps the lower decks.

On the moon, Ronin Hayashi trains to protect the colonies from the inevitable invasion of the machines. While he prepares to stand his ground, Sergeant Tadhg Walsh is planning an escape mission to deliver a weapon to the resistance on Earth. At Neptune Station, Captain Akira Hayashi and Shadow Squad have returned from a deadly journey into enemy territory, where they learn the machines are building an army at an astonishing rate. After continued attempts to contact the Lunar Defense Corps for help, Shadow Squad accepts the hard truth—the LDC isn’t coming. 

We were fighting on the wrong side of a war we couldn't win. And that was the good news. The Ruhar hit us on Columbus Day. There we were, innocently drifting along the cosmos on our little blue marble, like the native Americans in 1492. Over the horizon come ships of a technologically advanced, aggressive culture, and BAM! There go the good old days, when humans only got killed by each other. So, Columbus Day. It fits. When the morning sky twinkled again, this time with Kristang starships jumping in to hammer the Ruhar, we thought we were saved.

Eight years ago, an engineered virus ravaged the globe, infecting and transforming humans into apex predators called Variants. Now, almost a decade after the end of the war, civilization has slowly clawed toward recovery. But evil and intelligent forces dwell in the shadows with the starving beasts, scheming to restart the extinction cycle and end humanity forever. And once again, Beckham, Fitz, and Kate will rise to fight them, joining forces with new heroes to try and save what’s left of the world.

While training for a manned mission to Mars, Dr. Sophie Winston and her team of scientists find themselves cut off from the rest of the world. Trapped inside a biosphere deep within the confines of Cheyenne Mountain, Sophie and crew discover they are the survivors of a brutal alien invasion. But as they struggle to stay alive, they realize their safe haven is far from safe and that they must team up with other survivors around the world to defeat the aliens before it’s too late for humanity and the Earth. 

Jonas kills people...with his mind. He reaches out, focuses for a moment, and feels a snap of pain between his eyes. Then his target falls over dead: a hole in the center of their brains. The cause of death is unknown to all aside from Jonas, and his lone companion, Bubbles, a sarcastic AI with aspirations to be more human, or a serial killer. One of the two. Maybe both. Jonas calls his ability...mind bullet.

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.

One troop of beyond-Tier-1 operators gone completely off the reservation. One platoon of stalwart Army Rangers, pledged to protect them, but now pushed too far. A thousand tribes of enemy fighters who just want them all gone.  

The worst of nature and the worst of science will bring the human race to the brink of extinction. Master Sergeant Reed Beckham has led his Delta Force team, code named Ghost, through every kind of hell imaginable and never lost a man. When a top secret medical corps research facility goes dark, Team Ghost is called in to face their deadliest enemy yet - a variant strain of Ebola that turns men into monsters.

Jason Grimshaw has one job. Get the cadets to Colony 115. Just another day. Just another milk run. Or so he thought. When scanners pick up an unidentified alien vessel, it's already too late. With his ship blown out from under him, and his crew scattered across a war-torn planet, his day just keeps getting better. The good news is, one of the pilots survived. The bad news is, it's the biggest pain in his ass, and she's stranded miles away.

An elite team of SAS special operators battle across the multiverse after a plague of land-hungry sentient robots invade today’s Earth. But, when an aircraft carrier-based counterattack goes horribly wrong, it traps the team in an alien universe with a top-secret group who’ve already saved the world twice. After discovering a dark plot that threatens humanity’s very existence, the two groups jump into action, fighting both on the surface and in orbit in a last-ditch effort to stop the enemy before time runs out.

With his duty to the Legion satisfied, Wraith sets out to find a lost member of his crew - the young girl Prisma. Not only does the journey bring with it more death and destruction - and loss - than he ever imagined, it revives the shadows of a forgotten past. The only way forward is to follow the footsteps of the legendary Tyrus Rechs. Meanwhile, as the galaxy struggles to steady itself following the fall of a corrupt and bloated republic, dangerous threats vie for power.

From the Audie-nominated narrator of The Martian. In eleven years time, a million members of an alien race will arrive at Earth. Years before they enter orbit, their approach will be announced by the flare of a thousand flames in the sky, their ships' huge engines burning hard to slow them from the vast speeds needed to cross interstellar space. These foreboding lights will shine in our night sky like new stars, getting ever brighter until they outshine even the sun, casting ominous shadows and banishing the night until they suddenly blink out.

The Galahad, a faster-than-light spacecraft, carries 50 scientists and engineers on a mission to prepare Kepler 452b, Earth's nearest habitable neighbor at 1400 light years away. With Earth no longer habitable and the Mars colony slowly failing, they are humanity's best hope. After 10 years in a failed cryogenic bed - body asleep, mind awake - William Chanokh's torture comes to an end as the fog clears, the hatch opens, and his friend and fellow hacker, Tom, greets him...by stabbing a screwdriver into his heart. This is the first time William dies.

Estes Park Police Chief Marcus Colton and tracker Sam "Raven" Spears have never liked one another, but when a young girl goes missing in Rocky Mountain National Park, Colton hires Spears to help find her. Their search ends after a night of catastrophic events. When word reaches Estes Park that the nation has been hit by a coordinated electromagnetic pulse attack, Colton and Spears are forced to work together again. But they quickly realize they aren’t just tracking a killer - they are tracking a madman during the middle of a war on American soil.