Court Gentry is known as The Gray Man—a legend in the covert realm, moving silently from job to job, accomplishing the impossible, and then fading away. And he always hits his target. But there are forces more lethal than Gentry in the world. And in their eyes, Gentry has just outlived his usefulness. Now, he is going to prove that for him, there's no gray area between killing for a living-and killing to stay alive.

For years, ex–Navy SEAL Maxwell Moore has worked across the Middle East and behind the scenes for the Special Activities Division of the CIA, making connections, extracting valuable intelligence, and facing off against America’s enemies at every turn. And then...news of a potentially devastating coalition: What if two of the greatest threats to the security of the United States were to form an unholy alliance?

When you're the best at what you do, it's not always easy to walk away. Nathan McBride was retired. The trained Marine sniper and covert CIA operative had put the violence of his former life behind him. But not anymore. A deep-cover FBI agent has disappeared along with one ton of powerful Semtex explosive, enough to unleash a disaster of international proportions. The U.S. government has no choice but to coax Nathan out of retirement.

Meet Kolt Raynor. A Delta Force operator and one-time American hero, he is still trying to make sense of his life - and duty - after a secret mission gone bad. Three years ago, in the mountains of Pakistan, Raynor made a split-second decision to disobey orders - one that got some of his teammates killed and the rest captured. Now he’s been given a second chance to do right by his country, his men, and himself. But Raynor’s shot at redemption comes at a price.

Eric Steele is the best of the best - an Alpha - an elite clandestine operative assigned to a US intelligence unit known simply as the "Program". A superbly trained Special Forces soldier who served several tours fighting radical Islamic militants in Afghanistan, Steele now operates under the radar, using a deadly combination of espionage and brute strength to root out his enemies and neutralize them.

Michael Valentine, veteran and former member of an elite private military company, has been recruited by the government to conduct a secret counter-terror operation in the Persian Gulf nation of Zubara. The unit is called Dead Six. Their mission is to take the fight to the enemy and not get caught. Lorenzo, assassin and thief extraordinaire, is being blackmailed by the world's most vicious crime lord. His team has to infiltrate the Zubaran terrorist network and pull off an impossible heist or his family will die.

Joshua Duffy is a Close Protection Agent — a professional bodyguard — and he's one of the world's elite operatives. That is, he was until his last mission in Lebanon. Against all odds, Josh got his primary out alive, but the cost was high. Josh lost his lower left leg.

Vick "The Reaper" Harwood is an esteemed sniper with a record kill count - 33 kills in 90 days - when he is knocked out under mortar attack in Afghanistan. He wakes up back in the United States with little memory of what happened, his spotter and gun both unrecovered from the battlefield. Harwood has resigned himself to slowly picking up the pieces of his life. But when a series of assassinations start occurring in the area, Harwood can't explain why he just happens to be nearby for each killing - or how a sniper rifle that matches the description of the one he lost seems to be involved.

When brilliant archaeologist Dilara Kenner is contacted by Sam Watson, an old family friend who says that he has crucial information about her missing father, Dilara abandons her Peruvian dig and rushes to Los Angeles to meet him. But at the airport, Sam speaks instead of Noah’s Ark—the artifact her father had long been searching for—and the possible death of billions. Before Sam can explain, he collapses. With his dying breath, he urges Dilara to find Tyler Locke—a man she’s never heard of.

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.

The story begins on opening day of the NFL season, when bullets begin to rain down upon the upper deck of a packed football stadium. A panic stampede ensues, leading to mass casualties. The alleged sniper is found holding a smoking assault rifle, and is killed by a police marksman. One week later, Congress bans the private possession of all semi-automatic assault rifles. Gun owners are given one week to turn in their semi-automatic rifles, or face a five year mandatory sentence.

Pulled off an undercover assignment, Widow returns home to a small town in Mississippi - a place he tried to forget. Taken to be a worthless drifter by the locals, Widow uses his skills to uncover the truth about his mother's last investigation. What was she looking for? What he discovers is an unsolved mystery of missing girls and townspeople harboring a deadly secret - a secret they'll die to protect.

When a coordinated EMP attack takes out the nation’s power grid, a small town finds itself at ground zero of an all-out Russian invasion. With limited options and no time to prepare, the citizens have no choice but to turn to a mysterious drifter, Jack Bunker, for help. The former combat engineer has the skills to keep them alive, but he won’t be able to do it alone, not against an overwhelmingly superior force.

First the asteroid would come, slamming into the earth just north of the Montana border, followed by earthquakes, tsunamis, and unending night. And after that... Hell. Astronomer Marty Chittenden is the first to recognize the approaching doom - a discovery that makes him a marked man. Green Beret Jack Forrest knows the catastrophe is inevitable and begins stockpiling an abandoned missile silo with supplies while gathering together a small community of men, women, and children he prays can survive the apocalypse.

Derrick Storm, the guy the CIA calls on when it wants something investigated domestically, is 33,000 feet in the air, returning from a rock-climbing vacation in the Swiss Alps, when the plane spirals into a nosedive. Storm uses his climbing gear to tether himself to the wing and heroically save the plane and all the people onboard. Sadly, Storm is not available to come to the aid of the three other planes that have crashed under similar circumstances, killing everyone onboard.