There are 2 books in the Necronomicon Guardian series.
The Necronomicon Guardian series does not have a new book coming out soon. The latest book, The High Priestess (Book 2), was published in December 2020.
The first book in the Necronomicon Guardian series, The Magician, was published in August 2020.
The Necronomicon Guardian series primarily falls into the Dark Fantasy and Urban Fantasy genres.