His literary achievement is a lasting legacy about what it means to be American.Vintage Baldwin includes the short story “Sonny’s Blues”; the galvanizing civil rights examination “My Dungeon Shook: Letter to My Nephew on the One Hundredth Anniversary of the Emancipation”; the essays “Fifth Avenue, Uptown: A Letter from Harlem,” “The Discovery of What It Means to Be an American,” and “Nobody Knows My Name: A Letter from the South”; and excerpts from the novel Another Country and the play The Amen Corner.