There are 4 books in the Legend of the King's Guard series.
The Legend of the King's Guard series does not have a new book coming out soon. The latest book, Undeniable Heart (Book 4), was published in January 2019.
The first book in the Legend of the King's Guard series, Conquered Heart, was published in August 2016.
The Legend of the King's Guard series primarily falls into the Historical Romance genre.