A large-scale political and military thriller by Tom Clancy and one of the most important novels in the Jack Ryan series.

The story follows Jack Ryan as he navigates a growing international crisis between the United States and Japan. Economic tensions, political rivalries, and military confrontations escalate into a dangerous conflict that threatens global stability.

As events unfold, Ryan moves from intelligence work into a prominent government role, confronting complex challenges involving national security, diplomacy, financial warfare, and military strategy. Meanwhile, a powerful Japanese industrialist seeks revenge for historical grievances, pushing both nations toward confrontation.

The novel is known for its detailed portrayal of geopolitics, military operations, economic competition, and government decision-making. Its dramatic climax contains one of the most shocking and memorable events in the entire Jack Ryan saga, setting the stage for the sequel, Executive Orders.

Packed with realism, suspense, and strategic intrigue, Debt of Honor showcases the meticulous research and technical detail that made Tom Clancy famous.