Glennor Shirley, head of Maryland’s prison library system, at the Western Correctional Institution in Cumberland; Glennor says library users tend to be better behaved and more focused on their future. Illustrates LIBRARIAN (category a), by Michael S. Rosenwald (c) 2011, The Washington Post. Moved Saturday, March 26, 2011. (MUST CREDIT: Washington Post photo by Whitney Shefte.)