Harper Lee's "To Kill a Mocking Bird" is a book about growing up in the American South at the time of racial segregation. The main characters represent Louise and her older brother Jem, whose father Atticus defends a black innocent defendant, who is accused of raping a white girl. Lee discussed the consequences of catchy Atticus role on the reputation of his family in the small town. He leads the reader an impressive demonstration of hatred with which the first opponent of racism in the American South were faced. The work convinces by its high level voltage and the historical background and the mature form of Harper Lee's.