Andrea J. Nichols is professor of sociology at St. Louis Community College at Forest Park and lecturer in women, gender, and sexuality studies at Washington University in St. Louis. She is the author of a number of articles and books and coeditor of Social Work Practice with Survivors of Sex Trafficking and Commercial Sexual Exploitation (Columbia, 2018).
One of the best resources for understanding the complex nature of sex trafficking in the US is Sex Trafficking in the United States: Theory, Research, Policy, and Practice, by Dr. Nichols. She clearly explains relevant policies and actors that shape sex trafficking dynamics manifest in a clear, digestible text. I cannot recommend her work enough. -- Lara B. Gerassi, University of Wisconsin-Madison