The Kill List by Frederick Forsyth

In a gripping tale of international intrigue and relentless pursuit, a top-secret government agency is tasked with tracking down and eliminating a notorious terrorist known only as "The Preacher." This elusive figure incites violence through online sermons, leading to a series of deadly attacks across the globe. The story follows "The Tracker," a seasoned operative with a personal vendetta, as he navigates a web of espionage, deception, and high-stakes danger. With the clock ticking and lives at stake, the chase spans continents, culminating in a tense showdown that tests the limits of justice and retribution.