The Duke and I is a captivating Regency historical romance novel written by Julia Quinn. Set in the early 19th century, it follows the story of Daphne Bridgerton, a young debutante, and Simon Basset, the Duke of Hastings. Their paths cross when Daphne's brother and Simon's best friend strike a deal to help each other find suitable matches. As Daphne and Simon navigate the complexities of society, they find themselves drawn to each other despite their initial animosity. With its witty dialogue, engaging characters, and delightful romance, The Duke and I has become a beloved favorite among fans of the genre.