Robert Ludlum

"The top-secret CIA Black Ops program Operation Treadstone trained Adam Hayes to be an all-but-invincible assassin, but it also cost him his family and any chance at a normal life. Now working as a carpenter in rural Washington state, Adam thinks he has left Treadstone in the past. Then he receives a mysterious email from a former colleague, and is attacked by an unknown hit team at his job site. Are his pursuers enemies from a long-ago mission? Rival...