There are 2 books in the Dominion of the Fallen series.
The Dominion of the Fallen series does not have a new book coming out soon. The latest book, The House of Binding Thorns (Book 2), was published in April 2017.
The first book in the Dominion of the Fallen series, The House of Shattered Wings, was published in August 2015.
The Dominion of the Fallen series primarily falls into the Fantasy genre.