There are 2 books in the Solitary Vigilance series.
The Solitary Vigilance series does not have a new book coming out soon. The latest book, Death Is the Final Reckoning (Book 2), was published in May 2018.
The first book in the Solitary Vigilance series, Solitary Vigilance, was published in October 2014.
The Solitary Vigilance series primarily falls into the General Fiction genre.