Wide Sargasso Sea by Jean Rhys

Born into the oppressive, colonialist society of 1930s Jamaica, white Creole heiress Antoinette Cosway meets a young Englishman who is drawn to her innocent beauty and sensuality. After their marriage, however, disturbing rumours begin to circulate which poison her husband against her. Caught between his demands and her own precarious sense of belonging, Antoinette is inexorably driven towards madness, and her husband into the arms of another novel's heroine. This classic study of betrayal, a seminal work of postcolonial literature, is Jean Rhys's brief, beautiful masterpiece.