"A Prisoner of Morro" by Upton Sinclair is a gripping tale of survival and resilience set during the Spanish-American War. The story follows a young American sailor captured and imprisoned in the notorious Morro Castle in Havana. Amidst harsh conditions, he befriends fellow prisoners, each grappling with their own struggles, while dreaming of freedom and justice. Sinclair explores themes of patriotism, human endurance, and the moral complexities of war. As the protagonist schemes to escape, the novel delves into the tensions between oppression and hope, painting a vivid picture of courage under duress. A blend of historical drama and social critique, it reflects Sinclair’s commitment to exposing inequality while celebrating the indomitable spirit of those who resist tyranny.