Charged with spotting terrorist threats, the top-secret "Campus" has its hands full when Middle East thugs and Colombian drug lords join forces. New Campus recruits include Jack Ryan Jr., son of master spy John Patrick Ryan, now President.

It is fall. CIA analyst Jack Ryan, historian and former Marine, is vacationing in London with his wife and young daughter. Suddenly, right before his eyes, a terrorist group launches its deadly attack. Instinctively, he dives forward to break it up, and is shot. It is not until he wakes up in the hospital that he learns whose lives he has saved - the Duke and Duchess of Kent.

US intelligence is reporting turmoil in the Russian navy. Their deadliest submarine, the Belgorod, has unexpectedly launched, and taken along with it a long list of questions. Who authorized the departure? What mission is it on? And, most disturbing of all, what weapons do the giant doors on the sub’s bow hide? It's been four decades since a similar incident with the Soviet sub, Red October, ended happily, thanks to a young CIA analyst named Jack Ryan.

Jack Ryan, Jr. finds himself cut off from his comrades at The Campus just when he needs them most. He's smack dab in the middle of an international conspiracy, and this may be too much for even he to handle.

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.

Defense Intelligence Agency operative Matt Drake broke a promise. A promise that cost three people their lives and crippled his best friend. Three months later, he's paralyzed by survivor's guilt and haunted by the memories of the fallen. Matt may have left Syria, but Syria hasn't left him. In the midst of his self-imposed exile, Matt is dragged back into the world of espionage and assets that he tried to forget. A Pakistani scientist working for an ISIS splinter cell has created a terrifying weapon of mass destruction.

A terrorist bomb explodes during a South Korean celebration of the anniversary of the election of its first president. Alarms are raised in Washington. No one is claiming responsibility. The first suspect is North Korea. Could it be making a power play against South Korea and unification? If so, how will the U.S. respond? Paul Hood, Director of the Op-Center, must answer these questions. The Op-Center, a largely autonomous new agency which takes on the government's toughest security problems, is only six months old, and has never been given a foreign crisis until now.

Ex-military policeman Jack Reacher is a drifter. He’s just passing through Margrave, Georgia, and in less than an hour, he’s arrested for murder. Not much of a welcome. All Reacher knows is that he didn’t kill anybody. At least not here. Not lately. But he doesn’t stand a chance of convincing anyone. Not in Margrave, Georgia. Not a chance in hell.

On a NUMA training mission in the Caribbean, Kurt Austin and Joe Zavala catch a distress call from a nearby freighter. Leaping into action, they locate a damaged vessel and a dead captain clutching a shotgun. While searching the freighter for clues, Kurt and Joe are ambushed by crew members who seem terrified and disoriented, almost brainwashed. The trawler they were hauling has vanished, taken—the men say—by baffling lights that circled the ship.

Evan Smoak is a man with skills, resources, and a personal mission to help those with nowhere else to turn. He’s also a man with a dangerous past. Chosen as a child, he was raised and trained as an Orphan, an off-the-books black box program designed to create the perfect deniable intelligence asset: An assassin. Evan was Orphan X - until he broke with the program and used everything he learned to disappear. But now someone is on his tail.

After a CIA covert mission goes badly awry, US Air Force intelligence officer Nicholas Flynn is exiled to guard a remote radar post along Alaska’s Arctic frontier. This dead-end assignment is designed to put his career permanently on ice, but Flynn’s not the type to fade quietly into obscurity.... As winter storms pound Alaska and northern Canada, Russian aircraft begin penetrating deep into friendly airspace. Are these rehearsals for a possible first strike, using Russia’s new long-range stealth cruise missiles?

On the snow-covered slopes of Utah, the unthinkable has just become a nightmarish reality: thirty Secret Service agents have been viciously executed and the vacationing president of the United States kidnapped by one of the most lethal terrorist organizations in the Middle East - the Fatah Revolutionary Council. But surviving agent and ex-Navy SEAL Scot Harvath doesn't believe the Fatah Revolutionary Council is responsible for the attack.

When Captain Kyle Mercer of the Army’s elite Delta Force disappeared from his post in Afghanistan, a video released by his Taliban captors made international headlines. But circumstances were murky: Did Mercer desert before he was captured? Then a second video sent to Mercer’s Army commanders leaves no doubt: The trained assassin and keeper of classified Army intelligence has disappeared.

In the fog of war, when friends can appear as enemies and enemies as friends, only one thing is certain—when in doubt, there is no doubt.

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?