Riminology; How discretion plays in prizon in the U.S.

In order to write an essay, I would like you to refer the textbook The Warehouse Prizonwritten by John Irwin. ISBN number of this textbook is 1-931719-35-7, which is required reading for this essay. In addition, if you can, please make sure there are enough quatations that describe contents of the textbook through the topic, thanks.