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 (2007 film) after talking about marriage with Catherine, John leaves believing she is in love with him. Isabella catches the eye of Henry's older brother, Captain Frederick Tilney (Mark Dymond), and flirts with him after she learns how low James' income will be. General Tilney invites Catherine to stay with his family at Northanger Abbey and she accepts. When Isabella tells Catherine that John is going to propose to her, Catherine tells her friend to write to him and explains that he is mistaken. Isabella continues to flirt with Frederick and Catherine asks Henry to convince his brother to leave her alone.