James Bond meets Bridgerton in this steamy enemies-to-lovers historical romance from USA Today bestselling author Amalie Howard.Lady Bronwyn Chase is far from the paragon of society that her mother expects her to be. Which is why she's on her brother's passenger liner bound for America with a secret packet of letters that could get her into trouble. Serious trouble. The kind sisters to dukes shouldn't be in. But she doesn't care, because for the first time in her life, she feels alive.When Lord Valentine Medford, the Duke of Thornbury — retired agent of the Crown and spymaster — is tasked with finding the tyrant who's stolen correspondence from the British Home Office, he thinks it should be business as usual — track down the spy and turn him in. Valentine Medford has never lost a target. But when he discovers that the devious spy known as Kestral is really Lady Brownyn, his world is turned upside down. Soon he'll have to decide what means more to him: the beautiful and mysterious woman who calls to him, or his allegiance to the crown.