* *Tending the Heart of Virtue: How Classical Spirituality Can Shape Modern Virtue Ethics* (2015)
* *The Melody of Faith: Theology in an Age of Pluralism* (2009)
* *The Fragrance of Christ: Monastic Wisdom and Spiritual Formation* (2008)
* *Christ the Ideal and the Imperfection of Humanity* (2006)
* *The Apophatic Tradition and Its Theological Repercussions* (2005)
* *Introducing Christian Spirituality: A Handbook for the Spiritual Traveler* (2004)
* *The Person and Life of Christ: In the Patristic and Medieval Traditions* (2003)
* *The Resurrection of the Triune God: A Trinitarian Theology* (2002)
* *The Unity of Mind and Heart: Spirituality and Ontology in Orthodox Theology* (1998)
* *Redeeming the Present: Theology in the Spirit of Vladimir Lossky* (1993)
* *Saving the Secular: Religion and the Tragic Sense of Life* (1992)
* *Christ in Our Midst: The Theology of the Divine-Human Encounter* (1989)
* *Spirit and Man in the Early Patristic Period: A Dialogue on the Spirit of Truth and the Pneumatological Exegesis of Gregory of Nyssa's Treatises on the Holy Trinity and Ascetic Life* (1979)
Articles:
* "The Theology of Vladimir Lossky: A Critical Appreciation" (1989)
* "The Doctrine of theosis in the Eastern Fathers" (1987)
* "The Role of Asceticism in Orthodox Theology: An Historical Perspective" (1986)
* "Vladimir Lossky's Theological Anthropology: A Critical Appreciation" (1984)
* "The Trinitarian Theology of Vladimir Lossky" (1982)
* "The Patristic Understanding of the Holy Spirit: A Contemporary Exploration" (1981)
* "The Divine-Human Encounter in Orthodox Tradition" (1980)
* "The Person of Christ in Orthodox Theology: An Historical Perspective" (1979)
* "The Spiritual Experience of the Early Fathers: A Comparative Analysis" (1978)
* "Theological Themes in the Orthodox Liturgy" (1977)