Inspired by "Les Liaisons Dangereuses," and written in a similar epistolary form, "Lady Susan" is one of Jane Austen's earliest finished works. In it, she reveals all the caustic wit and brilliant social satire of her later novellas. The victim of a vicious scandal, the impoverished Lady Susan is obliged to take up residence with her brother-in-law and his family. Refusing to resign herself to the role of placid houseguest, she conspires to baffle...