This document discusses various subgenres of thriller films and novels. It outlines the key elements and examples of action, conspiracy, crime, disaster, medical, mystery, and psychological thrillers. Action thrillers focus on explosions and violence over character development. Conspiracy thrillers involve a protagonist confronting a powerful threatening organization alone. Crime thrillers are usually from the criminal's point of view and involve evading the police. Disaster thrillers center around attempts to stop or survive a natural calamity. Medical thrillers use medical elements like viruses as dangerous weapons. Mystery thrillers are fast-paced with the protagonist on the run. Psychological thrillers involve mental rather than physical conflicts that threaten the protagonist's sanity.