A retired assassin is drawn back into a deadly game of international intrigue when his former protégé resurfaces with a dangerous agenda.

Sean Dillon, a man who has sought peace after a life of violence, finds his quiet existence shattered by the reappearance of his former protégé, a ruthless operative known only as 'The Serpent'. The Serpent is orchestrating a series of high-stakes operations designed to destabilize global powers, and Dillon is the only one with the skills and knowledge to stop him. Navigating a world of shadowy intelligence agencies, political maneuvering, and betrayals, Dillon must race against time to prevent a catastrophic conflict, all while confronting the ghosts of his own past.

Jack Higgins's "The Valhalla Exchange, Storm Warning" delivers a high-octane thriller that fans of the genre have come to expect. The narrative is characterized by its fast pacing and intricate plotting, drawing readers into a complex web of international espionage and personal conflict. Higgins masterfully blends action with suspense, creating a compelling story that keeps the reader engaged until the final page. The novel is a solid entry in the thriller genre, offering a satisfying experience for those who enjoy tales of retired agents pulled back into dangerous missions.