Fr. Constantelos is a prolific writer, with published books and articles on Hellenism, philosophy, history and theology. His many titles include:
*''Christian Faith And Cultural Heritage : Essays from a Greek Orthodox Perspective'' [ISBN 0972466177]*''Renewing the Church : The Significance of the Council in Trullo'' [ISBN 1885652852]
*''Paideia : Addresses to Young People''
*''The Complete Works of His Eminence Archbishop Iakovos, Primate of North and South America 1959-1996'' [ISBN 1885652208]
*''The Torchbearer : Encyclicals Spiritual and Ecclesiastical Subjects, Administration, Education, Culture''
*''Understanding the Greek Orthodox Church : Its Faith, History and Practice'' [ISBN 0816405158]*''Christian Hellenism, Volume Three : Essays and Studies in Continuity and Change'' [ISBN 0892415231]*''The Greeks, Their Heritage, and Its Value Today'' [ISBN 0917653475]*''Poverty, Society and Philanthropy in the Late Mediaeval Greek World'' [ISBN 0892414014]*''Byzantine Philanthropy and Social Welfare'' [ISBN 0892414022]*''Religious-Philosophical Issues and Interreligious Dialogues in the Orthodox Church Since World War II'' [ISBN 0917651278]
*''Orthodox Theology and Diakonia : Trends and Prospects Essays in Honor of His Eminence Archbishop Iakovos on the Occasion of His Seventieth Birthday'' ISBN 0916586804
*''Marriage, Sexuality and Celibacy : A Greek orthodox Orthodox Perspective'' (Light & Life Publishing)
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