I've jusr finished reading these books and they were a real eye opener. I'll give you the titles. You can go to www.amazon.com and read a review and an excerpt of all of them.
1. Going up the River. by Joseph Hallinan.
2 The Funhouse Mirror. by Robert Ellis Gordon.
3 Lockdown America. by Christian Parenti.
4 The Celling of America. by Daniel Burton-Ross.
5 Downtime by David Novak
6 Prison Masculinities by Donald. F. Sabo