In 2009 Clinton Romesha of Red Platoon and the rest of the Black Knight Troop were preparing to shut down Command Outpost Keating, the most remote and inaccessible in a string of bases built by the US military in Nuristan and Kunar in the hope of preventing Taliban insurgents from moving freely back and forth between Afghanistan and Pakistan. Three years after Keating's construction, the army was finally ready to concede what the men on the ground had known immediately: It was simply too isolated and too dangerous to defend.

Tired of sitting out the war on Psydon in a mobile office lab, Legion Lieutenant Washam agrees to undertake a covert and unsanctioned mission with a band of Republic Recon Marines. Inserted deep behind enemy lines, the strike force uncovers a surprise key to ending a bitter war. Now they must navigate a hostile jungle teeming with murderous alien rebels, pushing themselves to the limits of their abilities, to get this vital intel to Legion Command - if they can survive that long.

Four audiobooks in one box set: Last Stand: Surviving America's Collapse, Last Stand: Patriots, Last Stand: Warlords, and Last Stand: Turning the Tide. John Mack, a prepper and former soldier, struggles to save his family and community after an EMP (electromagnetic pulse) takes out the country's electrical grid. With most electronics, communications, and transportation destroyed in a matter of seconds, the nation quickly collapses into anarchy. Threats emerge from enemies both foreign and domestic.

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....

John Eric Carver and Shrek are a retired Navy SEAL war dog team, now living in the mountains outside of San Diego. Both man and dog thought their life was now settled, finding peace on the 40-acre ranch they had moved to. But life, and a mutated virus, changed all that.

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.

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.

This is the true story of Ephraim Mattos, a former US Navy SEAL, and what he witnessed while volunteering as a frontline combat medic during the historic battle to retake Mosul from ISIS - the deadliest urban combat the world has seen since WWII.

In one of the most compelling combat narratives ever written, Staff Sergeant David Bellavia, an Army infantry platoon leader in Iraq, gives a teeth-rattling, first-hand account of 11 straight days of heavy house-to-house fighting during the climactic second battle of Fallujah. His actions in the firefight, which included killing five insurgents in hand-to-hand combat, earned Bellavia the Bronze Star, the Silver Star, and New York state's highest military honor, the Conspicuous Service Cross.

Dr. Lauren Hale, a new hospital resident, is nearly killed by a raving mad emergency room patient, in a senseless, unprovoked attack. Officer David Olson, veteran cop and former Marine, returns from a father-son camping trip to discover that his ex-wife has vanished under bizarre circumstances, and his police department is on the verge of collapse. Jack and Emma Harper, a young, upwardly mobile couple, find their hip city neighborhood rapidly descending into madness.

Jack, a sometimes humorous, sometimes philosophical ex-special operations pilot and soldier is one of the few left to struggle through the desolation left in the aftermath; seeking to survive as a new ferocious species emerges from the rubble, hungry and unrelenting. Will his special forces training be enough? Will he be able to keep his children safe and guide the few survivors through perils that now roam the world they once knew? Or will the hordes that now own the night prevail, forever removing the last of mankind from existence?

The United States of America is falling before the armies of the dead. Leading the sole survivors of the US Army's 10th Mountain Division out of the overrun city of New York, Captain Phil Hastings heads for the safety of Fort Indiantown Gap, a National Guard training facility deep in the woodlands of Pennsylvania. Joining with other remnants of the military, government, and civilian communities, Hastings and his men must try to keep the tsunami of corpses from taking over the world and plan the resurrection of the nation.

Former Marine Force Reconnaissance officer Logan West emerges from a blackout after drinking away the worries of his ruined marriage and PTSD, an all too familiar scene for the recovering alcoholic. But he wakes to more than a killer hangover: A professional mercenary has been sent to capture him. After an embattled showdown, Logan impulsively answers the dead man's ringing phone, triggering a hasty rescue of Logan's estranged wife and a global race against the clock to track down an unknown organization....

Jack Fairbanks made it through the initial wave of attacks, but now the Mawks have seeded the Earth with dozers and crawlers, tracking beasts that crave human flesh and are bent on hunting the remnants of humankind to extinction. Joined by Lucia, a hardened urban survivor, Jack finds himself caught up in a secret plan to turn the course of the invasion. Can a college sophomore and a ragtag force of soldiers survive when the Mawks descend from orbit and begin their final assault?

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.