There are 4 books in the Courageous Highland Hearts series.
The Courageous Highland Hearts series does not have a new book coming out soon. The latest book, Highlander Sworn (Book 4), was published in October 2022.
The first book in the Courageous Highland Hearts series, Highlander Defied, was published in February 2022.
The Courageous Highland Hearts series primarily falls into the Historical Romance genre.