This document provides an overview and character summaries of Simon Holt's horror novel "The Devouring". The story follows Regina Halloway and her brother Henry, who starts acting strangely around the winter solstice. Regina finds an old journal describing creatures called Vours that inhabit humans' bodies on the solstice and feed on people's fears. Regina comes to realize a Vour has taken over Henry and she must face her fears to save her brother. The document outlines the characters, plot points, and setting of the novel.