Elizabeth Gaskell's Mary Barton is a social thriller novel that tells the story of Mary Barton, a young woman who works in a textile factory in Manchester during the 19th century industrial revolution. The novel touches on issues of class struggle, poverty, injustice and morality in society. The main character is faced with an important choice between the loving son of a manufacturer and a simple worker. The author successfully combines a romantic plot with social criticism, making this work a true masterpiece of English literature. "Mary Barton" is an exciting book that will remain in the reader's memory for a long time after reading it.