The Quiet American by Graham Greene

Set during the French colonial war in Vietnam, this novel follows a British journalist and a young American idealist who become friends and find themselves in a love triangle with a Vietnamese woman. As the war escalates, the journalist becomes disillusioned with the American's naïve political views and the destructive impact of foreign intervention. The story is a critique of American involvement in Vietnam, exploring themes of love, friendship, and moral ambiguity. The 389th greatest book of all time