There are 4 books in The Instrumentalities of the Night series.
The Instrumentalities of the Night series does not have a new book coming out soon. The latest book, Working God's Mischief (Book 4), was published in March 2014.
The first book in The Instrumentalities of the Night series, The Tyranny of the Night, was published in June 2005.
The Instrumentalities of the Night series primarily falls into the Speculative Fiction genre.