Northanger Abbey Mysteries of Udolpho," as it is the Gothic novel most frequently mentioned within this text"." Notably, Jane Austen sold the manuscript of Northanger Abbey to the same firm that published Radcliffe's novel in 1794. This outside text is first mentioned in Chapter Six, when Isabella and Catherine discuss the mystery "behind the black veil," and further establish their friendship based on their similar interests in novel genre, and their plans to continue reading other Gothic novels together. Austen further satirizes the novel through Catherine's stay at Northanger Abbey, believing that General Tilney has taken the role of Gothic novel villain.
Northanger Abbey Austen's discussion of "Udolpho" is also used to clearly separate Catherine from John Thorpe, as when Catherine talks about the novel with him, he crudely responds that he "never reads novels," but qualifies his statement by arguing he would only read a novel by Anne Radcliffe, who, as Catherine then points out, is the author of "Udolpho". Here, Austen humorously categorizes "Northanger Abbey's" characters into two spheres: those who read novels, and those who do not. When Catherine and Henry Tilney later discuss reading novels, and Henry earnestly responds that he enjoys reading novels, and was especially titillated by "Udolpho,"