The Dark Tower

The Dark Tower is a series of eight novels, one novella, and a children's book written by American author Stephen King. Incorporating themes from multiple genres, including dark fantasy, science fantasy, horror, and Western, it describes a "gunslinger" and his quest toward a tower, the nature of which is both physical and metaphorical. The series, and its use of the Dark Tower, expands upon Stephen King's
multiverse and in doing so, links together many of his other novels.