The Eyre Affair by Jasper Fforde is a delightful alternative history mystery that combines elements of fantasy and literary fiction. Set in a parallel universe where literature is taken very seriously, the story follows Thursday Next, a literary detective, as she tries to prevent the kidnapping of Jane Eyre from the pages of the original novel. Fforde's witty writing and clever world-building make this book a treat for book lovers and mystery enthusiasts alike.