A Hunger for Wholeness:  Soul, Space and Transcendence. (Paulist, 2018).

Personal Transformation and a New Creation:  The Spiritual Revolution of Beatrice Bruteau.  (Orbis, 2016).

 Making All Things New:  Catholicity in the 21st Century, vol. 1, Catholicity in an Evolving Universe.  Orbis Books, 2015 (nominated for the 2017 Grawemeyer Award).

Humanity on the Threshold:  Religious Perspectives on Transhumanism (co-ed. with John Haugey, SJ). Christian Philosophical Studies, VI, ed. George McLean.  Washington, D.C.:  Council for Research in Values and Philosophy, 2014.

 From Teilhard to Omega: Co-creating an Unfinished Universe.   Orbis Books, 2014.

The Unbearable Wholeness of Being:  God, Evolution and the Power of Love.  Orbis Books, 2013 (2014 Catholic Press Book Award, 3rd Place, Science and Religion; 2014 Silver Nautilus Book Award; nominated for the 2014 Grawemeyer Award).

The Emergent Christ: Exploring the Meaning of Catholic in an Evolutionary Universe.   Maryknoll, N.Y.:  Orbis Books, 2011 (2nd printing).  Catholic Press Association Book Award 2012, 3rd Place:  Faith and Science.  (nominated for the 2014 Alpha Sigma Nu Book Award).   Translated into Spanish and Italian.

Compassion:  Living in the Spirit of Francis of Assisi.  St. Anthony Messenger Press, 2011.

Christ in Evolution.   Maryknoll, N.Y.:  Orbis Books, 2008 (3rd printing).  Translated into Italian, Polish and Spanish.

Care for Creation:  A Franciscan Spirituality of the Earth (with Keith Warner and Pamela Woods).  Cincinnati:  St. Anthony Messenger Press, 2008.   (2009 Catholic Press Book Award:  1st Place for Social Concerns, 2nd Place for Spirituality.)

Ten Evenings with God.   MO:  Ligouri Press, 2008.

Clare of Assisi: A Heart Full of Love.  Cincinnati:  St. Anthony Messenger Press, 2007.

The Humility of God:  a Franciscan Perspective.  Cincinnati:  St. Anthony Messenger Press, 2005.

Franciscan Prayer.  Cincinnati:  St. Anthony Messenger Press, 2004.

A Franciscan View of Creation:  Living in a Sacramental World.  Heritage Series.  Number 2.  Edited by Joseph P. Chinnici.  New York:  The Franciscan Institute, 2003.

Simply Bonaventure:  an introduction to his life, thought and writings.  New York:  New City Press, 2001.

The Franciscan Intellectual Tradition.  Cincinnati:  St. Anthony Messenger Press, 2001.

 Crucified Love:  Bonaventure’s Mysticism of the Crucified Christ.    Quincy, IL:  Franciscan Press, 1998.

Book Series

General editor for book series, Catholicity in an Evolving World published by Orbis Books.  This is a multi-volume project that examines various aspects of catholicity in light of modern science, theology and culture.  Five books published up to date:    Making All Things New (Ilia Delio), A New Heaven and a New Earth (Dianne Bergant), Source of All Love: Catholicity and Trinity  (Heidi Russell), And God Created Wholeness: Towards a Spirituality of Catholicity (Edwin Olson), Image of the Unseen God, (Thomas Hosinski).

Selected Book Chapters:

“The Entangled God of My Heart.”  In How I Found God in Everyone and Everything, ed. Philip Clayton and Andrew Davis.  Rhinebeck, NY: Monkfish, 2018.

“Will Transhumanism Attain Point Omega?”  In  Religious Transhumanism and Its Critics, ed. Ted Peters and Brian Green.  Berkeley:  CTNS, 2017.

“The Influence of Teilhard de Chardin on the Journey of the Universe” in Living Cosmology: Christian Responses to Journey of the Universe.  Edited by Mary Evelyn Tucker and John Grim.  New York:  Orbis Books, 2015. 

“Theology, Spirituality and Christ the Center:  Bonaventure’s Synthesis.”  In Bonaventure Handbook.  Ed. Jay Hammond and J.A. Wayne Hellmann.  Leiden:  Brill, 2014.

Introduction to “Franciscans and Science.”  By Keith Warner, OFM.  New York:  Franciscan Institute Publications, 2012.

“The Evolving Human as Cosmotheandric Image.”  In Festschrift:  Essays in Honor of Joseph Bracken, S.J. Ed. Marc Pugliese and Gloria Schaab.  Pp. 183 – 99.  Milwaukee, WI:  Marquette University Press, 2012.

“Creation and Salvation: Franciscan Perspectives.” In Creation and Salvation: A mosaic of essays on selected classic Christian theologians.  Ed. Ernst Conradie. Vol. 1, Studies in Religion and the Environ­ment/Studien zur Religion und Umwelt.  Ed.  Sigurd Bergmann.  LIT Verlag, 2012.

“Arriving at a Christocentric Universe” In In Search of the Whole: twelve essays on faith and academic life.  Pp. 111- 28. Ed. John C. Haughey.  Washington, D.C.:  Georgetown University Press, 2011.

“Godhead or God Ahead?  Rethinking the Trinity in Light of Emergence.”  In God, Grace & Creation.  Pp.  3–22.  Ed. Philip J. Rossi.  Maryknoll, N.Y.:  Orbis Books, 2010.

“Clare of Assisi and the Mysticism of Motherhood.”   In Franciscan Mendicant Prayer.  Pp. 31- 62.  Ed. Timothy Johnson.  Leiden:  Brill, 2007.

Introduction to Liturgy and Franciscan Life.  Ed.  by Elise Saggau.  New York: Franciscan Institute, 2007, ix-xi.

“Divine Action in a World of Chaos.”  In Science and Religion 2000:  From Conflict to Dialogue.  Pp. 35-53.  Ed. F. Mike.  Czech Republic, 2004.  .

Introduction to “Franciscans and Creation:  What is Our Responsibility? Ed. Elise Saggau.  New York:   Franciscan Institute, 2004, vii-viii.

“Franciscan Theology, Identity, and Community.”  In Franciscan Identity and Contemporary Culture.  Ed. Kathleen Warren.  New York:  The Franciscan Institute, 2003, 13 – 33.

“The Franciscan Intellectual Tradition: Contemporary Concerns.” In The Franciscan Intellectual Tradition.  Ed. by Elise Saggau.  New York:   Franciscan Institute, 2002, 1 – 19.

“Mirrors and Footprints: Metaphors of Relationships in Clare of Assisi’s Writings.”  In Resource Study for the Study of Franciscan Christology. Ed. Kathleen Moffatt and Crista Maria Thompson.  Washington, D.C.:  Franciscan Federation, 1998.  Pp. 243-56.

Encyclopedia Articles:

“Transhumanism.” In New Catholic Encyclopedia.  Ed. Robert Fastiggi.   Washington, D.C.:  Catholic University Press, 2013.

Selected Articles: 

“From Aquinas to Teilhard:  Divine Action and the Metaphysics of Love,” Heythrop Journal   LIX (2018):  468 – 83.

Ilia Delio, “Is Natural Law Unnatural?  Exploring God and Nature Through Teilhard’s Organic Theology,” Theology and Science 15.3 (June, 2017):  276 – 88.

“Earth Community and Mercy Consciousness,” Human Development Magazine vol.36 (Winter 2016):  19 – 27.

“Transhumanism or Ultrahumanism? Teilhard de Chardin on Technology, Religion and Evolution,” Theology and Science 10.2 (2012):  153 – 66.

“Seeing Christianity as a Religion of Evolution and the Implications for Religious Life,” LCWR: The Occasional Papers (Summer 2012):  3 – 10.

“Eco-Christology:  Living in Creation as the Body of Christ.”  Human Development 33.1 (Spring 2012):  3 – 9.

“Faith and the Cosmos:  Can Catholic Universities Foster Dialogue Between Religion and Science?” America Magazine (April, 2011):  15–19.

“From Metaphysics to Kataphysics: Bonaventure’s Good Creation,” Scottish Journal of Theology 64.2 (Spring, 2011):  161 – 7.

“Ecology and Economics:  The Web of Life.”  Woodstock Report (Fall, 2010):  8-9.

“Is the World A Problem?  A Teilhardian Response” Teilhard Studies 60 (Spring 2010):  1–26.

“Religious Pluralism and the Coincidence of Opposites,” Theological Studies 70.4 (December, 2009):  822 – 44.

“Is Creation Really Good?  Bonaventure’s Position.” American Catholic Philosophical Quarterly 83.1 (2009):  1 – 22.

“Confessions of A Modern Nun,” America vol. 201, n. 9 (October 12, 2009).

“Is Spirituality the Future of Theology?  Insights from Bonaventure,” Spiritus: A Journal of Christian Spirituality 8.2 (Fall 2008):  148 – 55.

“Theology, Metaphysics and the Centrality of Christ” Theological Studies 68.2 (June 2007):  254 – 73.

“Christology from Within” Heythrop Journal 48.3 (May, 2007):  458 – 67.

“Christ and Extraterrestrial Life,” Theology and Science 5.3 (November 2007):  249 – 65.

“Cosmic Christology in the Thought of Zachary Hayes,” Franciscan Studies 65 (2007):  107 – 20.

“Evangelical Life:  Living in the Ecological Christ.”  Franciscan Studies 64 (2006):  475 – 506.

“Are We at Home in the Cosmos? A Franciscan Perspective,” New Theology Review18.4 (November 2005):  31–9.

“Is Creation Eternal?”  Theological Studies 66.2 (June 2005):  279 – 303.

“Clare of Assisi and the Body of Christ,” The Cord 55.4 (June, 2005):  150 – 161.

“The Franciscan Path to Peace,” The Cord 54.6 (November/December, 2004):  282 – 91.

“Identity and Contemplation in Clare of Assisi’s Writings,” Studies in Spirituality 14 (Fall, 2004):  139 – 52.

“Revisiting the Franciscan Doctrine of Christ,” Theological Studies 64.1 (March 2003):  3 – 23.

“Artificial Intelligence and Christian Salvation:  Compatibility or Competition?”  New Theology Review 16.4 (November 2003):  39 – 51.

“Brain Science and the Biology of Belief:  A Theological Response,” Zygon 38.3 (September 2003):  373 – 85.

“Does God ‘Act’ in Creation?  A Bonaventurian Response,” Heythrop Journal  44.3 (July 2003):  328 – 44.

“Are We Wired for God?”  New Theology Review 16.1 (February 2003):  31 – 43.

“Identity and Difference in Bonaventure’s Legenda maior.”  Studies in Spirituality 13 (2003):  199 – 211.

“Francis and the Body of Christ.” The Cord  53.1 (January/February, 2003):  26 – 35.

“Clare of Assisi:  Beauty and Transformation.” Studies in Spirituality 12 (2002):  68 – 81.

“Francis and the Humility of God.”  The Cord  Fall 51.2 (2001):  58 – 69.

“Mirrors and Footprints: Metaphors of Relationships in Clare of Assisi’s Writings.” Studies in Spirituality 10 (2000):  167 – 81.  Reprinted  in Laurentianum 41.3 (2000):  455 – 71.

“Mystics and the Cosmic Nature of Christ.”  New Theology Review 13.3    (August, 2000):  45 – 55.

“Francis of Assisi and Global Consciousness.”  The Cord 49.6 (November/December, 1999):  273 – 88.

“Bonaventure’s Metaphysics of the Good.” Theological Studies.  60 (June, 1999):  228 – 46.

“Keeping Current in Spirituality.”  New Theology Review 12.4 (1999):  71 – 4.

“The Renaissance of Franciscan Theology:  Retrieving the Tradition of the Good. Spirit and Life:  A Journal of Contemporary Franciscanism.  8 (Spring, 1999):  21 –41.

“Bonaventure and Bernard:  On Human Image and Mystical Union.”  Cistercian Studies, 34.2 (1999):  251 – 63.

“The Humility of God in a Scientific World.”  New Theology Review 11.3 (August, 1998):  36 – 49.

“The Dangerous Memory of Francis.” The Cord 48.5 (Fall, 1998): 218-23.

“The Role of the Crucified in Bonaventure’s Writings.” Studia Mystica 14 (1998):  13 – 21.

“From Prophecy to Mysticism:  Bonaventure’s Eschatology in Light of Joachim of Fiore.”  Traditio 52 (Fall, 1997):  152 – 77.

“Toward A New Theology of Franciscan Contemplation: The Mysticism of the Historical Event.”  Cord 46 (1996):  131- 40.

“The First Catholic Social Gospelers: Women Religious in the Nineteenth Century.”  U. S. Catholic Historian 13 (Summer 1995):  1-22.

“The Canticle of Brother Sun: A Song of Christ Mysticism.” Franciscan Studies 52 (1992):  1-22.