Brad Thor is an American thriller author best known for the Scot Harvath series, a long-running line of political and espionage novels built around counterterrorism, covert operations, and global security threats. Beginning with The Lions of Lucerne, the series... introduced Harvath as a former Navy SEAL and Secret Service agent drawn into high-risk missions where national security and personal loyalty collide. Thor’s fiction is known for fast pacing, international settings, tactical detail, and plots shaped by terrorism, intelligence rivalries, cyber threats, and geopolitical conflict. His background in television, including work connected to a documentary series on the U.S. Secret Service, helped inform the operational texture of his stories. Readers follow Thor for action-driven suspense, contemporary threats, and a disciplined hero operating in a dangerous world.