There are 4 books in the Claudia Valentine series.
The Claudia Valentine series does not have a new book coming out soon. The latest book, The Disappearances of Madalena Grimaldi (Book 4), was published in January 1994.
The first book in the Claudia Valentine series, The Life and Crimes of Harry Lavender, was published in January 1988.
The Claudia Valentine series primarily falls into the Private Investigator genre.