The story "Adventures of Huckleberry Finn," is a novel of important themes that have an extraodinary effect on the readers' feelings. The literary theme is the central subject or topic of a piece of writing and it refers to what the story is about. For example, the theme of a novel can be love, death and deception. A story can have several themes, too.
After you finish reading the novel, identify the the themes. That is, figure out what the story is about. Then you must write an analysis of the characters, which is a description of their personalities and an examination of why they act the way they do.