There are 4 books in the Lady Anne Addison series.
The Lady Anne Addison series does not have a new book coming out soon. The latest book, Lady Anne and the Menacing Mystic (Book 4), was published in July 2020.
The first book in the Lady Anne Addison series, Lady Anne and the Howl in the Dark, was published in April 2019.
The Lady Anne Addison series primarily falls into the Historical Mystery genre.