Two years after an attack brought down the electrical grid across the United States, the recovery effort is well underway. A new network of armored trains carry supplies and industrial equipment crucial to rebuilding the country. But along the rails, one area of America is still mired in darkness, violence, and danger. Some call it the Badlands. Others the Wild West. The government simply refers to it as the New Frontier.

On a war torn Earth, the mighty Nova Alliance is the last defense against the treacherous Coalition. At the heart of this defense are the Engines–formidable, genetically enhanced soldiers. Under the command of the legendary Captain Akira Hayashi, the elite Shadow Squad has defended the frontlines for years. But just as victory seems imminent, the Coalition strikes hard, targeting the very sites meant to heal the wounded planet.

Before the lights went out, Jack Warrant never considered himself a prepper. That was someone on the edge, a conspiracy theorist or a doomsday cultist who had a fatalistic view of the world. He was neither a theorist nor a cultist. He was an optimist. At least that was what he told himself when the darker thoughts creeped into his psyche as he stared at the ceiling in the middle of the night. Whenever he started down the rabbit hole, he always clawed his way back into the sunlight.

Across the world, the United States recalls troops to combat civil unrest after the biggest economic meltdown in history. Marine Sergeant Ronaldo Salvatore’s platoon comes home to a powder keg that could ignite a civil war. While some see the coming collapse as the end, others see opportunity. Fleeing Naples after rival crime lords decimated his family, Don Antonio Moretti settles in Los Angeles to rebuild his criminal empire. But he is far from alone in his ambitions.

Ripped from the headlines, the explosive Trackers saga is a realistic depiction of what an EMP attack and the aftermath might look like from one of the genre's leading voices, USA Today best-selling author and former Homeland Security disaster mitigation officer Nicholas Sansbury Smith. This box set includes the entire four-book Trackers series with over 30 hours of post-apocalyptic survival fiction and action. This box set includes Trackers, Trackers 2: The Hunted, Trackers 3: The Storm, and Trackers 4: The Damned.

For a dozen years, villagers along the ancient Da River in Vietnam have feared a nightmarish creature who hunts and consumes human flesh. Only in whispers do they mention its name, The White Ghost. To the United States military, this creature has a different name - Marine Lieutenant Trevor Brett, the chemically engineered experiment gone wrong that they will do anything to hide. Sole survivor of his platoon, Brett has stalked the jungle for prey. But the men who made him into a monster are searching for him, and when they find him, the line between hunter and hunted will be blurred.

In the near future, in the picturesque town of Burning Hollow, Tennessee, a century-old squabble between two families is brewing. For four generations, blood has spilled between the patriarchs, shifting the tides of power. But after each significant change, a new war begins. Will an EMP strike on a failed economy prove lethal to a besieged nation? Or will its citizens rally to protect their homesteads and safeguard their families?

Tucked away in a high-tech Tactical Operations Center, inside an isolated safehouse in the Horn of Africa, sits Agency analyst Zack Altringham. He is Kenyan-born, Princeton-educated, badly burnt-out - and condemned by his language and cultural skills to a lifetime of fighting America's shadow counter-terror wars.

Lauren Russell often wondered why her father had been so adamant about teaching her skills that most other fathers wouldn't even consider teaching their daughters. Ever since she was little, she had been taught how to live and survive outdoors, and how to use firearms to protect herself and those around her. Some of the training had been a bit extreme. Or had it been? Many of her questions were answered the day the world as she knew it ended.

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.

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.

Five years after a pneumonic plague killed two-thirds of the world’s population, army veteran Marcus Battle is isolated. He’s alone with his guns, his food, and the graves of his wife and child. If anyone steps onto his property he shoots first and never ask questions. But when a woman in distress, chased by marauders, seeks asylum, Marcus has a decision to make.

In the jungles of Uganda, Ebola has mutated into an airborne strain. Now, all it takes is a little nudge, and the virus explodes across the planet. Panic, disbelief, and disinformation leave people unprepared to react. They hoard. They flee. They turn to violence. Austin Cooper is stranded in Africa, at the epicenter of the outbreak. His sister, an NSA analyst, is pulling strings to locate him, while trying to understand what is going on. In Colorado, Austin's parents are fighting to stay alive as millions are infected. And then billions.

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.

When a series of devastating terror attacks brought down the United States, Conor and Barb assumed they were safe in their compound. They had everything they needed. They were armed and highly trained. But then, Barb was kidnapped. The kidnappers didn’t know why Conor was known as The Mad Mick. They didn’t know the fear and respect his name invoked in the shadowy underworld of covert operations. They didn’t know that when it came to protecting his family, he was without conscience, without compassion, and without equal. But they would soon find out.