There are 34 books in the Charlotte and Thomas Pitt series.
The Charlotte and Thomas Pitt series does not have a new book coming out soon. The latest book, Triple Jeopardy (Book 34), was published in April 2019.
The first book in the Charlotte and Thomas Pitt series, The Cater Street Hangman, was published in June 1979.
The Charlotte and Thomas Pitt series primarily falls into the Historical Mystery genre.