Human Evolution and Christian Ethics (New York: Cambridge University Press, 2007).
Solidarity and Hope: Jon Sobrino’s Challenge to the Christian Theology, editor, (Maryknoll, N.Y.: Orbis Press, 2008).
“Immersion Trips: The Case of El Salvador,” in Thomas Rausch, ed., Education for Faith and Justice: Catholic Higher Education Today (Collegeville, MN: Liturgical Press, 2010).
“Christian Love as Friendship: Engaging the Thomistic Tradition,” Love and Christian Ethics: Engagement with Tradition, Theory, and Society, eds. Frederick Simmons and Brian Sorrells, forthcoming,
“Should Christian Contributions to Transitional Justice Focus on Reconciliation? Lessons from El Salvador,” Public Forgiveness, ed. Bas von Stokkum, Nijmegan.