Terry Williams is professor of sociology at the New School for Social Research. He specializes in teenage life and culture, drug abuse, crews and gangs, and violence and urban social policy. He is the author of Teenage Suicide Notes: An Ethnography of Self-Harm (Columbia, 2017); Harlem Supers: The Social Life of a Community in Transition (2015); Crackhouse: Notes from the End of the Line (1993); and The Cocaine Kids: The Inside Story of a Teenage Drug Ring (1989); and is the founder and director of the Harlem Writers Crew Project, a multimedia approach to urban education for center city and rural youths.Trevor B. Milton is assistant professor of sociology and criminal justice at Queensborough Community College, CUNY. He is the author of Overcoming the Magnetism of Street Life: Crime-Engaged Youth and the Programs That Transform Them and the director of the documentary Modern Racism (2018). His areas of research include prison reform and alternative-to-incarceration programs and the intersectionality of class and racial identity.