What is the theme in Pimp: The Story of My Life by Iceberg Slim?

Violence plays an important role throughout the life of Iceberg Slim. As a child, Slim's father throws him against a wall when his mother decides to keep him instead of leaving him at the local Catholic Church. From this point on, Slim uses violence as a means of power and manipulation to get what he wants from people. The lifestyle he leads encourages violence and other associates of his also turn to violence for control and power.