There are 4 books in the Dukes and Secrets series.
The Dukes and Secrets series does not have a new book coming out soon. The latest book, Betting Against The Scoundrel (Book 4), was published in June 2024.
The first book in the Dukes and Secrets series, All Duke and Bothered, was published in July 2023.
The Dukes and Secrets series primarily falls into the Historical Romance genre.