This is a clear and well-defined essay on the structure of a monster in the house story. It deals with the two major variations and certain elements that are common to them it defines the story type. It describes the structure of both variations.this structure ties a wide variety of individuals stories into this type, from jaws, to nightmare on elm Street, to alien. I hadn't thought about those movies being so similar until I read this essay. It makes me want to read the original book that this information references.