Contents: Introduction, Serge Brochu, Candido da Agra and Marie-Marthe Cousineau. Deviance, Set and Setting: The complex structures, processes and meanings of the drug/crime relationship, Candido da Agra; The study of psychological self-organization processes in deviant pathways: contributions of the biogram method, Celina Manita and Candido da Agra; Drug addiction and drug dealing - from trajectories to careers: the status of the question in social sciences in France, Michel Kokoreff and Claude Faugeron; Ethnographic space-time: culture of resistance in a ’dangerous place’, LuÃs Fernandes and Tiago Neves. Youth, Drug and Delinquency Pathways: Developmental trajectories leading to delinquency and substance use in adolescence: results from Quebec studies, René Carbonneau; Deviant trajectories at the turning point between adolescence and adulthood, Michel Born and Claire Gavray; Deviant youth trajectories: adoption, progression and regression of deviant lifestyles, Natacha Brunelle, Marie-Marthe Cousineau and Serge Brochu. Adult, Drug and Crime Pathways: Drug/crime pathways among cocaine users, Isabelle Parent and Serge Brochu; Flexing crack in Toronto: a deviant pathway for poor, homeless drug users, Patricia G. Erickson, Jennifer Butters and Beric German; Black women’s pathways to involvement in illicit drug distribution and sales: an exploratory ethnographic analysis, Lisa Maher, Eloise Dunlap and Bruce D. Johnson. Ways Out: The background of illegal drug abuse - a German view, Helmut Kury, Joachim Obergfell-Fuchs and Theodore Ferdinand; Deviant pathways of alcoholic and drug-addicted patients, Françoise Facy, Myriam Rabaud and Daniel Ruffin; Pathways out of deviance: implications for programme evaluation, Céline Mercier and Sophie Alarie; Conclusion, Marie-Marthe Cousineau, Candido da Agra and Serge Brochu; Index.