The Devil and the Debutante by Christi Caldwell, the 20th book in The Heart of a Duke series, is a Regency romance focused on the tumultuous relationship between a cynical gaming hell owner, Rex DuMond, and Lady Faith Brookfield, a debutante who uses her perceived limitations to uncover secrets. The plot follows their journey from a conflict born of blackmail to a quest for redemption and love, praised by readers for its emotional depth. For more details, visit christicaldwell.com . The Devil and the Debutante by Christi Caldwell - Goodreads