Okay kiddo, Serbian literature refers to all the stories, poems, and books that are written by people from Serbia, which is a country in Europe.
Just like how you learn to read and write in school, people in Serbia also learn to read and write in their own language, which is called Serbian. That's why they can create their own literature.
There are many famous Serbian writers who have written books that are loved by both kids and adults. Some of these writers are Dositej Obradović, Jovan Sterija Popović, Ivo Andrić, and Miloš Crnjanski.
These writers tell stories about different things, like love, wars, and nature. They use words to paint pictures in your mind, so you can imagine what's happening in the story.
In Serbia, there are lots of libraries and bookstores where you can go and read or buy books by these writers. They also have festivals where people come together to celebrate Serbian literature and talk about their favorite books.
So, that's Serbian literature in a nutshell. Just like how we have our own favorite stories and books, people in Serbia have their own too. It's a way for them to express themselves and share their culture and history with others.