Creatures that once lived in the shadows, hidden from humankind, have risen, spreading like a plague across the globe over the course of a single night. Their numbers growing exponentially through infection, these seemingly unkillable creatures have swallowed up whole cities and collapsed unprepared governments. Survivors call it The Purge.

It's been six years since a terrifying breed of seemingly unkillable creatures emerged from the darkness to topple the unprepared governments of the world, in the process knocking mankind down the food chain. Survivors called it The Purge. A few brave souls rose from the ashes of the old world to fight back, often against overwhelming odds. Led by indomitable heroes, they risked everything to achieve a final, stunning victory over the supernatural "ghouls" in The Battle of Houston. Five years later, what remains of the ghouls have fled back into the shadows.

Allie Krycek is not someone to be crossed. If you hurt the ones she loves, she'll come after you. And you don't want Allie Krycek to come after you. The Allie Krycek Series Box Set contains the first three books in the series.

History books call it the Purge, and it altered the course of human history. A breed of seemingly unkillable creatures that once lurked in the shadows of mankind's past finally revealed themselves. Driven by an insatiable lust for human blood, these monsters - dubbed "ghouls" by some - consumed the globe in one bloody, awful night.

In a steel-and-lead-encased bunker 20 feet below the basement level of his house, a soldier waits for his final orders. On the surface, a plague ravages the planet, infecting over 90% of the populace. The bacterium burrows through the brain, destroying all signs of humanity and leaving behind little more than base, prehistoric instincts. The infected turn into hyper-aggressive predators, with an insatiable desire to kill and feed. Someday soon, the soldier will have to open the hatch to his bunker, and step out into this new wasteland, to complete his mission....

The human race is all but extinct after a war with Partials - engineered organic beings identical to humans - has decimated the population. Reduced to only tens of thousands by RM, a weaponized virus to which only a fraction of humanity is immune, the survivors in North America have huddled together on Long Island while the Partials have mysteriously retreated. The threat of the Partials is still imminent, but, worse, no baby has been born immune to RM in more than a decade. Our time is running out.

Can humanity Survive what it never saw coming? On October 15 at 2:15 a.ms Earth vanished. A scattered few woke alone in a world with no rules, other than survival at any cost. A journalist wanders the wretched reality of an empty New York, searching for his wife and son. A serial killer must hunt in a land where prey is now an endangered species. A mother shields her young daughter from danger through every terror-filled breath.

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.

When World War 3 erupts on American soil, it is up to some less than likely heroes to band together and stand tall against any and all comers as a once proud nation is brought to her knees. Cowardly terrorist attacks and indifferent global communities have isolated America as she spirals into a desperate bid for survival.

The Superpox-99 virus has wiped out nearly the entire human race. Governments have collapsed. Cities have become graveyards filled with unspeakable horror. People have resorted to scavenging from the dead, or taking from the living. The entire industrialized world has become a wasteland of abandoned cars, decaying bodies, and feral animals. To stay alive, U.S. Deputy Marshal Mason Raines must forage for food, water, and gasoline while outgunning those who seek to take advantage of the apocalyptic anarchy. Together with his giant Irish wolfhound, Bowie, he aligns with survivors of the town of Boone in a life and death struggle against a gang of violent criminals. With each deadly encounter, Mason is force to accept his place as one of the nation's few remaining lawmen. In a world now populated by escaped convicts, paranoid mutants, and government hit squads, his only hope to save the townspeople is to enforce his own brand of frontier justice.

Eric Riordan was once a wealthy man leading a comfortable, easy life. Until one day Gabriel, his oldest friend, Marine Corps veteran, and a former mercenary, told him how the world was going to end. He did his best to prepare. He thought he was ready for anything. He was wrong. As the dead rise up to devour the living, one man finds himself struggling to survive in the ruins of a shattered world. Alone, isolated, and facing starvation, his only chance is to flee to the Appalachians and join forces with Gabriel.

Millions died when the Enillo Virus swept the earth. Millions more were lost when the victims of the plague refused to stay dead, instead rising to slaughter and feed on those left alive. For survivors like John Talon and his son Jake, they are faced with a choice: Do they submit to the dead, raising the white flag of surrender? Or do they find the will to fight, to try and hang on to the last shreds of humanity?

Allie Hilts was still in high school when a fire at a top-secret research facility released an air-borne pathogen that quickly spread to every male on the planet, killing most. Allie witnessed every man she ever knew be consumed by fearsome symptoms: scorching fevers and internal bleeding, madness and uncontrollable violence. The world crumbled around her. No man was spared, and the few survivors were irrevocably changed. They became disturbingly strong, aggressive, and ferocious. Feral.

Steve Hobart is just a regular guy, his world is tipped on its side as the dead began to walk. He slowly gathers a group of other survivors and, together, they brave the horrors of a Dead world. Every choice seems to yield as many consequences as it does rewards. He struggles with decisions made as well as opportunities lost as he finds himself in the unlikely role of leader. With a group that includes an Army doctor, a five-year-old Hispanic girl, a convicted murderer, and a teen girl who seems far better equipped to deal with the situation....

Those who would seek a new world order have unleashed the most devastating virus onto mankind, and even they do not know the secrets hidden in their weapon. Follow along as Harry, a CDC scientist, races to figure out what exactly the virus is and how to stop it. It will be up to him and a group of marines led by Major Sanders to stop the zombie fallout before it ravages an unsuspecting world.