There are 3 books in the Pletcher and Lambert series.
The Pletcher and Lambert series does not have a new book coming out soon. The latest book, Where Dead Soldiers Walk (Book 3), was published in July 1994.
The first book in the Pletcher and Lambert series, Interface for Murder, was published in October 1987.
The Pletcher and Lambert series primarily falls into the Mystery genre.