"Jonathan Strange & Mr Norrell" is a fantasy novel by Susanna Clarke set in an alternate version of 19th-century England during the Napoleonic Wars. The story follows two magicians, Mr. Norrell and Jonathan Strange, who seek to revive English magic. Their differing philosophies and approaches to magic lead to conflict and unexpected consequences. As they navigate their complex relationship, they encounter various supernatural elements, including the enigmatic Raven King, a powerful figure in English folklore. The novel explores themes of power, ambition, and the nature of magic, blending historical events with rich, imaginative storytelling.