Marie; or, Slavery in the United States: A Portrait of American Customs is a literary masterpiece by author Gustave de Beaumont that crystallizes the beauty and realities of nineteenth-century America. In this romantic story, the main character Marie finds herself in the environment of slavery, where traces of social inequalities and the struggle for human rights are revealed. The author skillfully reveals the psychology of characters, leading motives and the drama of events, which makes the book exciting for the reader. This is a truly important and impressive book that leaves its mark on the hearts and minds of its readers.