What is the Will Robie series?

The Will Robie series is book series by author David Baldacci about a ruthless hitman. The hitman is named Will Robie, and he is employed by the United States government to help them eliminate enemies of the country.

The series is well reviewed and is composed of four books as of 2014. The first is called "The Innocent," followed by "The Hit," "Bullseye" and "The Target." The latest book in the series is about Robie's collaboration with a female agent to assassinate a North Korean leader. All of the books are spy-themed adventure stories. They have been published in print and are also available as audiobooks.