(Warning: Beware the used or library textbook with highlighting. Do the human race a favor and don't highlight your books.)
Required Reading for All Students:
Velli-Matti Karkkainen, The Doctrine of God: A Global Introduction, Baker, 2004.
Michael Downey, Altogether Gift: A Trinitarian Spirituality, Orbis, 2000.
Robert Wilken, The Spirit of Early Christian Thought, Yale, 2003.
Henri de Lubac, The Discovery of God, Eerdmans, 1996.
Colin Gunton, Act and Being, Eerdmans, 2003.
Robert Jenson, The Triune God (Systematic Theology v. 1), new ed., Oxford, 2001.
Miroslav Volf, Exclusion and Embrace, Abingdon, 1996: chapters "Exclusion" and "Embrace."
Texts for small group reports (do not purchase these without consulting me first):
Craig M. Gay, The Way of the the (Modern) World: Or, Why It's Tempting to Live as If God Doesn't Exist, Eerdmans, 1998.
Richard Bauckham, God Crucified, Eerdmans, 1999 and
Marianne Meye Thompson, The Promise of the Father: Jesus and God in the New Testament, WJK, 2000.
Herman Bavinck, The Doctrine of God, Banner of Truth, 1986.
David Burrell, Knowing the Unknowable God, Notre Dame, 1987.
Leonardo Boff, Trinity and Society, Orbis, 1988.
Major J. Jones, The Color of God: The Concept of God in Afro-American Thought, Mercer, 1987.
Elizabeth Johnson, She Who Is: The Mystery of God in Feminist Theological Discourse , Crossroad, 1994.
Clark Pinnock, Most Moved Mover: A Theology of God's Openness , Baker, 2001.
For students improving their writing skills, my upper-division classes feature conditionally required reading.