- "Last Voyage of the Transvaal" (1981)
- "Jack of Fables" (2006)
Μη μυθοπλασία:
- "The Desert Fathers:Monks and Ascetics in Early Christianity" (1990)
- "Early Christian Saints" (1992)
- «The Mystic Christ:Saints, Ascetics, and Heretics in Ancient Christianity» (1994)
- "The Saints of Egypt" (1998)
- "A History of Christian Spirituality:From the First Apostles to the Present" (2005)
- "Οδηγός Προσκυνητή στους Αγίους Τόπους:Ένα πνευματικό ταξίδι" (2006)