The Rev. Mark W. Harris is the author of several books and historical articles, including Elite: Uncovering Classism in Unitarian Universalist History (Skinner House, 2011), The A to Z of Unitarian Universalism (Scarecrow Press, 2009), and the forthcoming Introduction to the Unitarian and Universalist Traditions, with Andrea Greenwood (Cambridge Univ. Press, 2011). He was also the minister of First Parish in Watertown, Massachusetts.