No, 'Northanger Abbey' was not Austen's first novel. Her first novel was 'Sense and Sensibility'.
No. 'Sense and Sensibility' is Jane Austen's first novel. 'Northanger Abbey' was actually written in the 1790s but was not published until 1818, after Austen's death. In contrast, 'Sense and Sensibility' was published in 1811 and was her debut in the world of published novels, with its own distinct exploration of love, family, and society.
No. Jane Austen's first novel is 'Sense and Sensibility'. 'Northanger Abbey' was written earlier than some of her other works but was not the first to be published. 'Sense and Sensibility' was the one that started her journey as a published novelist, introducing readers to her unique style of writing about the lives and loves of the English gentry.