"The Confidence-Man: His Masquerade" by Herman Melville is a novel published in 1857. Set aboard a Mississippi River steamboat on April Fool's Day, the story follows mysterious figures who may be the same man in disguise. These confidence men manipulate passengers through fraud, persuasion, and philosophical conversation, exploiting trust and charity. Blending multiple genres and questioning the line between fiction and reality, Melville crafts a cynical satire about deception, faith, and American society. (This is an automatically generated summary.)