Young adult literature, often referred to as "YA literature," is a genre of literature that is targeted towards teenagers and young adults typically ranging from ages 12 to 18. YA literature often explores themes and issues that resonate with young readers, such as identity, relationships, emotions, and growing up. These books may cover a wide range of genres, including fantasy, science fiction, romance, and contemporary fiction. YA literature is a popular and important genre that helps young readers navigate the challenges and experiences of adolescence.