He has authored, co-authored, and edited numerous journal articles and books in the area of counseling. His books include Approaches to Group Work: A Handbook for Practitioners (2003), Suicide across the Life Span (2004), Introduction to Group Work (2010), Career Counseling: Foundations, Perspectives, and Applications (2012), Foundations of Addictions Counseling (3rd Edition 2016), Foundations of Couples, Marriage, and Family Counseling (2015), Human Growth and Development Across the Lifespan: Applications for Counselors (2016), Counseling and Psychotherapy: Theories and Interventions, 5th Edition (2015), Youth at Risk: A Resource for Counselors, Teachers, and Parents (2008), Introduction to the Counseling Profession (2013), and Suicide Prevention in the Schools: Guidelines for Middle and High School Settings (2009).

Publications