In this #1 New York Times bestseller, a child is kidnapped at a presidential retreat and two former Secret Service agents must become private investigators in a desperate search that might destroy them both.

A daring kidnapping turns a children's birthday party at Camp David, the presidential retreat, into a national security nightmare.

Former Secret Service agents turned private investigators Sean King and Michelle Maxwell don't want to get involved. But years ago Sean saved the First Lady's husband, then a senator, from political disaster. Now the president's wife presses Sean and Michelle into a desperate search to rescue a kidnapped child. With Michelle still battling her own demons, the two are pushed to the limit, with forces aligned on all sides against them-and the line between friend and foe impossible to define...or defend.

Two ex-Secret Service agents must face a dark world of violence, codes, and spies at a secret CIA training camp in this #1 New York Times bestseller about a mystery that could destroy the nation.

Near Washington, D.C., there are two clandestine institutions: the world's most unusual laboratory and a secret CIA training camp. Drawn to these sites by a murder, ex-Secret Service agent Sean King encounters a dark world of mathematicians, codes, and spies. His search for answers soon leads him to more shocking violence and an autistic girl with an extraordinary genius.
Now, only by working with his partner, Michelle Maxwell, who is battling her own personal demons, can he catch a killer...and stop a national threat.

A man accused of burglary seems innocent . . . but in this #1 New York Times bestseller, two ex-Secret Service agents quickly learn that nothing is more dangerous than the truth.

A woman is found murdered in the woods. It seems like a simple case but it soon escalates into a terrible nightmare. Someone is replicating the killing styles of the most infamous murderers of all time. No one knows this criminal's motives...or who will die next.

Two ex-Secret Service agents, Sean King and Michelle Maxwell, have been hired to defend a man's innocence in a burglary involving an aristocratic family. Then a series of secrets leads the partners right into the frantic hunt that is confounding even the FBI. Now King and Maxwell are playing the Hour Game, uncovering one horrifying revelation after another and putting their lives in danger. For the closer they get to the truth, the closer they get to the most shocking surprise of all.