There are 5 books in the Giles Sullivan & Isabel Macintosh series.
The Giles Sullivan & Isabel Macintosh series does not have a new book coming out soon. The latest book, The Crossword Hunt (Book 5), was published in July 1987.
The first book in the Giles Sullivan & Isabel Macintosh series, Murder Across and Down, was published in May 1985.
The Giles Sullivan & Isabel Macintosh series primarily falls into the Suspense genre.