Dr. Gomes specializes in systematic and historical theology. He has research interests in the doctrine of the atonement, Socinianism, American religious cults, and the doctrines of heaven and hell. Dr. Gomes most recently published 40 Questions About Heaven and Hell (Kregel, 2018). He served as the series editor of the 15-volume Zondervan Guide to Cults and Religious Movements (Zondervan, 1994) and wrote three books in the series: Unmasking the Cults (the introductory volume to the series), Unitarian Universalism, and Truth and Error: Comparative Charts of Cults and Christianity. He also edited an updated edition of W.G.T. Shedd’s Dogmatic Theology (Presbyterian and Reformed Publishers, 2004). He has contributed articles to numerous journals, including Harvard Theological Review, Reformation and Renaissance Review, Westminster Theological Journal, Trinity Journal, and Presbyterion.