A "Horror book" is a genre of fiction designed to evoke fear, dread, and suspense in readers, often involving supernatural elements, dark themes, and unsettling atmospheres. These books typically feature frightening creatures, ghosts, monsters, or malevolent forces that threaten the well-being of the characters, creating an intense sense of terror. Horror novels explore the boundaries between the known and the unknown, tapping into primal fears and anxieties. They may also delve into psychological horror, where the terror is rooted in the human mind and emotional distress. Whether set in haunted houses, eerie landscapes, or through disturbing scenarios, horror books challenge readers to confront their darkest fears while delivering spine-chilling thrills and emotional intensity.