This phrase identifies a specific segment of horror literature. It denotes publications, typically novels or comic books, that expand upon the narrative universe established by the classic slasher film franchise. These publications often delve into the origins, motivations, and subsequent actions of the central antagonist. An example would be a novelization of one of the film sequels, or an entirely original story set within the same continuity.
The significance of these texts lies in their ability to enrich the established mythology for devoted fans. They provide additional backstory and character development, satisfying audience curiosity and potentially offering alternative perspectives on familiar events. Historically, such adaptations have existed alongside the film series, capitalizing on its popularity and providing a different medium for experiencing the narrative.