Most mysteries reveal a crime and then require their main characters to work backwards to figure out who committed that crime. In a thriller, the bad guy is often established early on, and the main characters must work to stop them from doing evil. Thriller is a genre of fiction, having numerous, often overlapping subgenres. Thrillers are characterized and defined by the moods they elicit, giving viewers heightened feelings of suspense, excitement, surprise, anticipation and anxiety.
A thriller novel devotes most of its focus to suspense, dread, and the fear of a future crime—instead of one that's already happened. Most mysteries reveal a crime and then require their main characters to work backwards to figure out who committed that crime
A crime is being committed (usually a murder) and the reader is forced to watch it as it happens. Thriller fiction includes psychological, action, crime, political, espionage, legal, and science fiction stories.
The mystery genre is a genre of fiction that follows a crime (like a murder or a disappearance) from the moment it is committed to the moment it is solved. Mystery novels are often called “whodunnits” because they turn the reader into a detective trying to figure out the who, what, when, and how of a particular crime.
Thriller novels devote most of their focus to creating suspense and dread. While most mysteries reveal a crime and then require their main characters to work backward to figure out who committed it, crime thrillers are often centered around the fear of a future crime