Private prisons have become an integral part of the penal system in the United States, the United Kingdom, and Australia. There already are over 100 such prisons in these countries, and with the number of prisoners continuing to increase rapidly, the trend toward privatization seems irreversible. In this context, Richard Harding addresses the following issues: the contributions, positive or negative, that private prisons make to providing custody for offenders; whether or not private prisons stimulate improvement within the public prison system; and the difficulties with the regulation and...