In To Kill a Mockingbird, Harper Lee does a very effective job of making many different themes come across during the course of the novel. Many characters show that social justice is not always easy to achieve. Also, there theme of many helpless victims comes across. Lastly, growing up is a prevalent theme in the novel. Harper Lee does an excellent job of making these themes come across. One of the story's greatest themes is that social justice is not always easy to achieve. It tells the story of one Tom Robinson. Tom is a black man in a racist town who is accused of a crime that he didn't commit. Atticus believes and tries to sho