Nobody has ever heard of ODIN. ODIN is about as secret as a government agency can get. Because within ODIN there is General Operations, which speaks for itself; ODIN 5i, which deals with intelligence gathering; and then there is ODIN 1i, which deals in operations so sensitive not even the CIA can touch them. All three are run with an iron first by The Chief, a giant with a gigantic IQ. His top agent is Alex Mason. But when an ODIN 5i agent based at the US Embassy in Manila goes missing and his encrypted laptop disappears with him, the whole ODIN structure is put in peril.

David Rivers is an elite-level assassin. He’s an expert in the art of violence. Honing his skill first as a Ranger, then as a mercenary, and now as a CIA contractor conducting covert action around the world. But in his secluded mountain home in Virginia, David Rivers lives a double life. There, Rivers is known as a caring husband to his new wife and the doting father to his young daughter. Soft targets to his enemies. Half a world away, on a mission to assassinate a foreign operative, Rivers uncovers his worst fear.

A master assassin craves one thing above all else: a normal everyday life. Trained to be a killer from the age of 11, Peter has never known the things the average person takes for granted. He has always been an asset. Burned by the CIA and now occupying their secret hit list, he works overseas as a Ronin, living a solitary life in hiding. But someone knows where he is. A strange man arrives at his door offering Peter the chance of a real life. "Get this done and you can be free," he is told.

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.

Navy SEAL Keith “Chunk” Redman has been one of the military’s top doorkickers since the day he pinned on his trident: loyal, single-minded, lethal. Tasked to lead a new, covert team of Tier One SEALs—the most elite special operators in the world—Chunk can no longer simply rely on the status quo. To safeguard America, he needs help to stay a step ahead of its adversaries.

After a covert mission became personal, the only way elite counterterrorism operative, Alexander King, could keep his loved ones safe, and the eyes of Washington's enemies blind to his existence, was to disappear. A year after his family buried a body they thought was his, King saves a young woman from a car bomb in London, and that's when his work in the shadows becomes complicated. Because she's not who he thinks she is, and the web that King is pulled into is tangled with enemies that reach the highest levels of the United States government.

The world knows him as a handsome, charismatic, and successful young businessman. The CIA knows Xander as the US military's most legendary soldier, turned vigilante assassin, who sharpens his skills in the shadows until he can exact revenge on the monster that murdered his family. They have watched his double life go on long enough, and now the government wants their weapon back. Xander has different plans. After a passionate night with Hollywood sweetheart Natalie Rockwell is violently interrupted by a surprise attack at Xander's home, those plans are set in motion.

Sam Prichard was a good kid, but sometimes that isn't enough to let you miss out on the bad parts of life. Losing his father at sixteen had been bad enough, but then facing the betrayal of his fiancé--a girl who had been his best friend and sweetheart for as long as he could remember--was even worse. Then, just when he thought life couldn't get worse, his lifelong dream of being a cop was blocked by a hiring freeze in his home city of Denver, Colorado.

John Dempsey's life - as an elite Tier One Navy SEAL named Jack Kemper - is over. A devastating terrorist action catapults him from a world of moral certainty and decisive orders into the shadowy realm of espionage, where ambiguity is the only rule. His new mission: hunt down those responsible for the greatest tragedy in the history of the US Special Ops and bring them to justice.

Ex-Special Forces operator Tom Keeler is a rambling man. He’s just passing through the town of Alencourt, France, and in less than an hour, someone tries to kill him. Nice place, nice try. But it’s a case of mistaken identity, and they picked the wrong guy. The French police can’t be trusted, except for the beautiful Cecile Nazari. She finds out fast that keeping up with Keeler is a dangerous occupation. Because someone’s preying on the weak and unprotected. Someone murderous. But they never counted on coming up against a guy like Keeler.