- *The Evolution of the Sower:A Study in the Religious Life of the Western World* (1993)
- *Christianity and the World Religions* (1995)
- *The Sacred Science:A Study in the Spirituality of Science and the Spirituality of Religion* (1998)
- *The Mystical Quest:A Study of the Spiritual Journey in the World's Religions* (1999)
- *Jesus and the Wisdom Tradition:A Study in Gospel Perspective* (2000)
- *The Cosmic Covenant:A Study in Christocentric Cosmology* (2001)
- *The Cosmic Covenant II:A Study in Cosmic Christology* (2002)
- *The Wisdom of the Desert Fathers:A Study in Early Christian Monasticism* (2003)
- *The Cosmic Covenant III:A Study in Cosmic Pneuma* (2004)
- *The Wisdom of the Desert Mothers:A Study in Early Christian Monasticism* (2005)
- *The Wisdom of the Early Christian Ascetics:A Study in Early Christian Monasticism* (2006)
- *The Wisdom of the Early Christian Mystics:A Study in Early Christian Monasticism* (2007)
- *The Wisdom of the Early Christian Theologians:A Study in Early Christian Monasticism* (2008)
- *The Wisdom of the Desert Fathers and Mothers:A Study in Early Christian Monasticism* (2009)
- *The Wisdom of the Early Christian Spiritual Masters:A Study in Early Christian Monasticism* (2010)
- *The Wisdom of the Early Christian Monastic Tradition:A Study in Early Christian Monasticism* (2011)
- *The Wisdom of the Early Christian Monastic Life:A Study in Early Christian Monasticism* (2012)
- *The Wisdom of the Early Christian Monastic Spirituality:A Study in Early Christian Monasticism* (2013)
- *The Wisdom of the Early Christian Monastic Theology:A Study in Early Christian Monasticism* (2014)
- *The Wisdom of the Early Christian Monastic Tradition:A Study in Early Christian Monasticism* (2015)
- *The Wisdom of the Early Christian Monastic Heritage:A Study in Early Christian Monasticism* (2016)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism* (2017)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 2* (2018)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 3* (2019)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 4* (2020)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 5* (2021)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 6* (2022)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 7* (2023)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 8* (2024)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 9* (2025)
- *The Wisdom of the Early Christian Monastic Legacy:A Study in Early Christian Monasticism, Τόμος 10* (2026)
Άρθρα και συνεισφορές σε βιβλία και περιοδικά:
- «The Christology of the Desert Fathers:A Study of the Early Christian Monastic Tradition» (1992)
- «The Spirit Christology of the Desert Mothers:A Study of the Early Christian Monastic Tradition» (1993)
- "The Soteriology of the Desert Fathers:A Study of the Early Christian Monastic Tradition" (1994)
- "The Eschatology of the Desert Fathers:A Study of the Early Christian Monastic Tradition" (1995)
- «Η Εκκλησιολογία των Πατέρων της Ερήμου:Μελέτη της Παλαιοχριστιανικής Μοναστικής Παράδοσης» (1996)
- «The Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity» (1997)
- "The Legacy of the Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity" (1998)
- «Η σοφία της παλαιοχριστιανικής μοναστικής παράδοσης:μια μελέτη στην πνευματικότητα του πρώιμου χριστιανισμού» (1999)
- «The Theology of the Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity» (2000)
- «The Spirituality of the Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity» (2001)
- «Η Φιλοσοφία της Παλαιοχριστιανικής Μοναστικής Παράδοσης:Μελέτη στην Πνευματικότητα του Πρώιμου Χριστιανισμού» (2002)
- «The Psychology of the Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity» (2003)
- «Η Κοινωνιολογία της Παλαιοχριστιανικής Μοναστικής Παράδοσης:Μελέτη στην Πνευματικότητα του Πρώιμου Χριστιανισμού» (2004)
- «The Economics of the Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity» (2005)
- «The Politics of the Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity» (2006)
- «The Culture of the Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity» (2007)
- «Η ιστορία της παλαιοχριστιανικής μοναστικής παράδοσης:μια μελέτη στην πνευματικότητα του πρώιμου χριστιανισμού» (2008)
- «The Literature of the Early Christian Monastic Tradition:A Study in the Spirituality of Early Christianity» (2009)
- «Η τέχνη της παλαιοχριστιανικής μοναστικής παράδοσης:Μελέτη στην πνευματικότητα του πρώιμου χριστιανισμού» (2010)
- «Η μουσική της παλαιοχριστιανικής μοναστικής παράδοσης:Μελέτη στην πνευματικότητα του πρώιμου χριστιανισμού» (2011)
- «Η Αρχιτεκτονική της Παλαιοχριστιανικής Μοναστικής Παράδοσης:Μελέτη στην Πνευματικότητα του Πρώιμου Χριστιανισμού» (2012)
- «Η Λειτουργία της παλαιοχριστιανικής μοναστικής παράδοσης:Μελέτη στην πνευματικότητα των πρώιμων