There are 3 books in the Riders of the Realm series.
The Riders of the Realm series does not have a new book coming out soon. The latest book, Beneath the Weeping Clouds (Book 3), was published in November 2019.
The first book in the Riders of the Realm series, Across the Dark Water, was published in December 2018.
The Riders of the Realm series primarily falls into the Fantasy genre.