Publications
Twelve volumes on ecclesiology, the papacy, and Christian unity — authored, edited, and compiled.

Featured
A 40-chapter response to Catholic traditionalism on the questions of Church authority and reform — featuring Robert Cardinal Sarah, with an imprimatur from Archbishop Lori.
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Indefectibility & the Problem of Dissent
Foreword by Robert Fastiggi · Afterword by Emmett O'Regan
Author
En Route Books, forthcoming 2026
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The Case of Archbishop Lefebvre
Foreword by Larry Chapp · Trans. Paul Inwood
Edited & Introduced by Andrew Likoudis
En Route Books, 2026
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Critical Dialogues in Catholic Traditionalism, Church Authority, and Reform
Foreword by Rocco Buttiglione
Organized & Edited
En Route Books, 2025
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Foreword by Scott Hahn, PhD
Edited (3rd ed.)
Emmaus Road / St. Paul Center, 2026
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A Journey Towards Full Communion
Foreword by Mike Aquilina
Edited
Emmaus Road, forthcoming
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Letters to a Greek Orthodox on the Unity of the Church
Foreword by Robert Fastiggi, PhD
Edited
Emmaus Road, 2023
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Piecing Together Catholic and Orthodox Unity
Foreword by Tim Staples
Compiled & Edited
En Route Books, 2023
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A Catholic Critique
Foreword by Fr. Thomas Weinandy, OFM Cap
Compiled & Edited
En Route Books, 2024
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Foreword by Mark Miravalle, SThD
Compiled & Edited
En Route Books, 2024
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Dominican Theologians in Late Medieval Byzantium
Foreword by Fr. Christiaan Kappes
Compiled & Edited
En Route Books, 2023
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Twelve Spiritual Pilgrims from Byzantium to Rome
Foreword by Robert Fastiggi, PhD
Edited
Blue Army Press, 2023
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Foreword by Fr. Robert J. Levis
Edited
En Route Books, 2024
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Twelve volumes in total, plus additional volumes in progress.