There are 3 books in the Bartholomew Hoare, Royal Navy Investigator series.
The Bartholomew Hoare, Royal Navy Investigator series does not have a new book coming out soon. The latest book, Hoare and the Matter of Treason (Book 3), was published in March 2001.
The first book in the Bartholomew Hoare, Royal Navy Investigator series, Hoare and the Portsmouth Atrocities, was published in October 1998.
The Bartholomew Hoare, Royal Navy Investigator series primarily falls into the Historical Mystery genre.