Nigel South is a Reader in sociology at the University of essex. He has been a prolific and penetrating contributor to the debate on drugs and drug-users. CONTRIBUTORS Ross Coomber University of Greenwich Nicholas Dorn Institute for the Study of Drug Dependence Sheila Henderson Maggy Lee University of Essex Susanne MacGregor Middlesex University Karim Murji Roehampton Institute, London Tim Newburn University of London Vincenzo Ruggiero University of London Harry Shapiro Institute for the Study of Drug Dependence Michael Shiner University of London Nigel South University of Essex