What book is keira knightley reading in the opening scene of Pride and Prejudice?

In the opening scene of the film adaptation of *Pride and Prejudice*, Keira Knightley's character, Elizabeth Bennet, is reading "The Mysteries of Udolpho" by Ann Radcliffe.

This choice of book is significant as it is a popular Gothic novel of the time period. The themes of romantic love, suspense, and dark secrets in "The Mysteries of Udolpho" mirror some of the themes explored in *Pride and Prejudice*.