What is james herbert the fog?

James Herbert's "The Fog" is a horror novel published in 1975. It follows the story of a deadly fog that engulfs London, bringing with it a host of supernatural horrors. The book is known for its atmospheric writing style and its graphic depictions of violence and gore. It was one of Herbert's early works and helped establish him as a leading figure in the horror genre. "The Fog" has since been adapted into a movie and an audio drama, both of which were released in 1980.