The "Camel Club" is a series of mystery novels written by author David Baldacci. The series follows a group of unlikely friends who come together in Washington, D.C. to solve crimes and uncover conspiracies. The main characters include Oliver Stone, a former intelligence operative, and his companions, who each bring unique skills to their investigations. The first book in the series, titled "The Camel Club," was published in 2005. It introduces readers to the group's dynamic and their quest for justice, often involving high-stakes political intrigue. The series has gained popularity for its engaging plots and well-developed characters.