In the book ‘To Kill A Mockingbird’ one of the most important themes is the struggle between good and evil, or the moral nature of humans. It’s the idea that evil, portrayed in this book through hatred, racism, prejudice and ignorance, conveyed through the character of Bob Ewell imposes a major threat upon the good, in this case the innocent, people such as Tom Robinson. Innocents in life are never prepared for the evil they must face in the real world, and such, as a result, are very often destroyed