Literature writing is a task full of excitement. While you do this, make your work personalized and express your opinions. You do not require assembling heaps of statistics or technical documents to support your arguments. Since it is the literary composition, use your imagination as much possible. Go through as many literary essays to get an idea and practice writing such texts. It will help you.
Apart from the above mentioned facts, also pay focus on the narrator as in who is narrating the story-the first person, second person or the third person.