In the book, the author describes the race, criminal justice, as well as the class.
The book relates to mass incarceration. Research shows that most people in prison are poor; only a few people are from rich families. If nothing is done, the prison system will keep attacking the poor community. The book further explains the ideology, as well as statistics as to why the poor are in prison and the rich, are becoming richer.
Wagner, P., & Rabuy, B., (2016). Mass incarceration: The whole pie 2016. Prison Policy Initiative, 14. Retrieved from http://www.antoniocasella.eu/nume/Wagner_Rabuy_14mar17.pdf