"Marathon Man" is a gripping thriller novel by William Goldman that delves into the intense world of espionage and personal conflict. The story revolves around Thomas "Babe" Levy, a graduate student and long-distance runner, who inadvertently becomes embroiled in a dangerous plot involving Nazi-linked diamonds. His life takes a tumultuous turn when he finds himself targeted by ruthless agents, leading to a series of harrowing events. As he navigates this dark and intricate web of deceit, his resilience and resourcefulness are put to the ultimate test. The novel masterfully intertwines themes of identity, trust, and survival. Babe's character is well-developed, showcasing his vulnerabilities and strengths as he confronts hidden truths about his family and himself. The story escalates as he discovers the dangerous secrets of his brother, who is entangled in international intrigue. Goldman's writing captivates readers, immersing them in a world where the stakes are life and death, and the lines between friend and foe blur.