'Gabrielle Thomas offers us a fresh, profound, and insightful treatment of how Gregory the Theologian understands the human being as 'in the image of God' and how this relates to our call to deification. Emphatic that the 'image' extends to the whole human being, Gregory, as Thomas shows, sees the body itself, in its vulnerability and weakness, and so its openness to the divine, as an integral part of the human being fashioned into the image of God, that is, Christ himself. This book is a very welcome addition to the literature on Gregory and patristic anthropology and spirituality more generally.' John Behr, Georges Florovsky Distinguished Professor of Patristics, St Vladimir's Seminary, New York and Metropolitan Kallistos Chair of Orthodox Theology, Vrije Universiteit, Amsterdam