The book "A Nation Behind Prison Bars" by the famous author George L. Herr reveals the mysterious world of prisons, in which large masses of people are held. The author examines the causes and consequences of this state of affairs, and also offers his own reflections on the reforms of the prison system. The book contains unique insights and deep reflections on the problem of the criminal system, expanding the idea of the life of prisoners and their possibilities on the way to rehabilitation. "A Nation Behind Prison Bars" is a study that prompts the reader to think about complex issues of society and justice.