Book excerpt: Modern Orthodox identity is deeply interwoven with the notion of deification or union with God. For some theologians, deification represents the lens through which most, if not all, theological questions should be engaged. In this volume, Petre Maican undertakes the task of critically examining the extent to which deification informs the main debates inside Orthodox theology, focusing on four essential loci: anthropology, the Trinity, epistemology, and ecclesiology. Maican argues that while deification remains central to anthropology and the Orthodox understanding of the Trinity, it seems less relevant in the areas of ecclesiology and complexifies the Orthodox approach to Scripture and Tradition.