Lesbian teen fiction is a kind of book that tells stories about teenage girls who are attracted to other girls. It's like any other storybook you might read, with characters and plots and things that happen, but the main characters are girls who like other girls. The stories can be about anything, like falling in love or going on adventures or dealing with problems, but the main focus is on the characters who are LGBTQ+ (which stands for "lesbian, gay, bisexual, transgender, queer, and other sexualities and gender identities"). These books are important because they help LGBTQ+ teens see themselves represented in stories and feel validated in their identities. It also helps people who might not be familiar with LGBTQ+ experiences understand and empathize with them.