There are 3 books in the Viv and Charlie Mystery series.
The Viv and Charlie Mystery series does not have a new book coming out soon. The latest book, Dig Deep My Grave (Book 3), was published in August 2018.
The first book in the Viv and Charlie Mystery series, The Darkness Knows, was published in August 2016.
The Viv and Charlie Mystery series primarily falls into the Historical Amateur Sleuth Mystery genre.