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.

Jack Reacher jumps off a bus and walks 14 miles down a country road into Margrave, Georgia. An arbitrary decision he's about to regret. Reacher is the only stranger in town on the day they have had their first homicide in 30 years. The cops arrest Reacher and the police chief turns eyewitness to place him at the scene. As nasty secrets leak out and the body count mounts, one thing is for sure.

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.

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.

It is 30 years since FBI special agent Atlee Pine’s twin sister, Mercy, was taken from the room they shared as young children. Notorious serial killer Daniel James Tor, was caught and convicted of other murders, and while there’s no proof, Atlee believes he knows what happened to Mercy. Tor still resides in a high-security prison in Colorado.