An unreliable narrator is one of the most powerful tools available to a writer. His unreliability might be obvious to the reader throughout, it might be revealed gradually, or it might come as a revelation that provides a major plot twist.
![An unreliable narrator pretending to tell the truth](https://www.nownovel.com/blog/wp-content/uploads/2014/05/crossedfingers.jpg)
An unreliable narrator is one of the most powerful tools available to a writer. His unreliability might be obvious to the reader throughout, it might be revealed gradually, or it might come as a revelation that provides a major plot twist.