YA fiction, or young adult fiction, is a genre of literature aimed primarily at readers aged 12 to 18. It often features teenage protagonists facing challenges related to identity, relationships, and personal growth. The stories can span various themes, including romance, adventure, fantasy, and social issues, making them relatable to a diverse audience. This genre has gained popularity in recent years, with notable titles like The Hunger Games and Harry Potter capturing the attention of both young readers and adults. YA fiction often explores complex emotions and situations, encouraging empathy and understanding among its readers.