Based on the 1854 fifth edition, Elizabeth Gaskell's (1810-1865) first novel is accompanied here by explanatory annotations. 'Contexts' includes letters as well as Gaskell's reaction to her critics, contemporary reviews reflect Mary Barton's reception, Gaskell's "Libbie Marsh's Three Eras" illustrates the author's perceptive sensitivity, Dion Boucicault's dramatic adaptation informs the novel's social impact and 'Criticism' collects interpretations of Mary Barton. A chronology and bibliography are included.