Home › Authors › Paul J. Turnbull 👤 Paul J. Turnbull 6 books Books by Paul J. Turnbull Occasional and controlled hero Occasional and controlled heroin use 2005 From dependency to work 2004 A growing market 2003 Times they are achanging 2002 Drug treatment and testing ord Drug treatment and testing orders 2000 Prisons, HIV, and AIDS Prisons, HIV, and AIDS 1991