"Invisible Man" is a novel by Ralph Ellison that explores the experiences of an unnamed African American protagonist in early 20th-century America. The story delves into themes of identity, race, and social invisibility as the narrator grapples with his place in a society that refuses to see him as an individual. The narrative follows the protagonist's journey from his youth in the South to his life in Harlem, where he becomes involved with various political and social movements. Throughout the novel, he confronts the complexities of racism and the struggle for self-definition, ultimately revealing the profound impact of societal perceptions on personal identity.