The Mystery genre is a type of fiction in which a detective, or other professional, solves a crime or series of crimes. It can take the form of a novel or short story. This genre may also be called detective or crime novels.
Thriller is a broad genre of literature, film and television, having numerous sub-genres. Thrillers are characterized and defined by the moods they elicit, giving viewers heightened feelings of suspense, excitement, surprise, anticipation and anxiety.