There are 4 books in The Viking and the Samurai Saga series.
The Viking and the Samurai Saga series does not have a new book coming out soon. The latest book, War of Ashes (Book 4), was published in September 2016.
The first book in The Viking and the Samurai Saga series, The Viking and the Samurai, was published in September 2016.
The Viking and the Samurai Saga series primarily falls into the Epic Fantasy genre.