Northanger Abbey was the first of Jane Austen's novels to be completed for publication, though she had previously made a start on Sense and Sensibility and Pride and Prejudice. According to Cassandra Austen's Memorandum, Susan (as it was first called) was written circa 1798-99. It was revised by Austen for the press in 1803, and sold in the same year for £10 to a London bookseller, Crosby & Co., who decided against publishing. In the spring of 1816, the bookseller was content to sell it back to the novelist's brother, Henry Austen, for the exact sum-£10-that he had paid for it at the beginning, not knowing that the writer was by then the author of four popular novels. Northanger Abbey follows seventeen-year-old Gothic novel aficionado Catherine Morland and family friends Mr. and Mrs. Allen as they visit Bath. It is Catherine's first visit there. She meets new friends, such as Isabella Thorpe, and goes to balls. Catherine finds herself pursued by Isabella's brother, the rough-mannered, slovenly John Thorpe, and by her real love interest, Henry Tilney. She also becomes friends with Eleanor Tilney, Henry's younger sister. Henry captivates her with his view on novels and his knowledge of history and the world. General Tilney (Henry and Eleanor's father) invites Catherine to visit their estate, Northanger Abbey, which, from her reading of Ann Radcliffe's Gothic novel The Mysteries of Udolpho, she expects to be dark, ancient and full of Gothic horrors and fantastical mystery.