Lee Child
One Shot

A gunman shoots into a public plaza in a small Indiana city. Five random people die in a senseless massacre, and the police quickly track him down. His name is James Barr. After his arrest, James Barr utters a single phrase to his lawyer: 'Get Jack Reacher for me.' What connects this psychopath with the ex-army cop?

Michael Connelly
The Narrows

PI Harry Bosch gets a call from the widow of a friend who has recently died. In his FBI career, the friend had worked on the famous case tracking the killer known as The Poet, which makes his death doubly suspicious. Harry Bosch soon finds himself in the path of the most ruthless and inventive murderer he has ever encountered.

A nuclear warhead has gone missing, with ten times the kilotons of Hiroshima. It's now in the wrong hands, ready to detonate a world war. In the top-secret headquarters of the National Security Agency, a small cadre of special agents forms Deep Black to bring a techno-edge to covert operations....