How does the concept of the unreliable narrator enhance or challenge the reader's perception of truth in modern literature?

The unreliable narrator is a powerful literary device that blurs the line between reality and fiction within a story. Often used in modern literature, this technique compels readers to question the credibility of the narrator and the events being described. By presenting a skewed or deceptive account, authors invite readers to delve deeper into the narrative to discern underlying truths. This exploration not only makes the reading experience more engaging and complex but also reflects broader themes of subjective reality and human perception. Authors like Gillian Flynn in "Gone Girl" and Ian McEwan in "Atonement" have adeptly employed unreliable narrators to craft stories that captivate and provoke thought long after the last page is turned.