Crime, mystery, and thriller stories are some of contemporary American literature's most widely read subgenres. The best examples of these types of writing are captivating and mysterious until the very last page is turned. They are consistently found at the top of the bestseller lists published by The New York Times. A significant number of them are the initial entries in more extensive series that continue to enthrall readers. Despite their similarities, thrillers, mysteries, and crime novels are all classified as separate literary subgenres. Each caters to a particular demographic and features its own set of distinctive colloquial expressions. This paper will talk about two authors, and this comparison has proved that each one is unique and quite different as a writer though they do write in the same genre