There are 4 books in The Sinful Scoundrels series.
The Sinful Scoundrels series does not have a new book coming out soon. The latest book, What a Devilish Duke Desires (Book 3), was published in February 2015.
The first book in The Sinful Scoundrels series, What a Wicked Earl Wants, was published in June 2013.
The Sinful Scoundrels series primarily falls into the Romance genre.