We are likely to find the format of its services strange, its theological terminology hard to understand and its way of thinking radically different. There is a sense of 'foreignness', rooted in the growing estrangement between East and West which culminated in the 'Great Schism' of 1054. Yet evangelicals have recently begun crossing the great divide and becoming Orthodox. What is it about Orthodoxy which attracts them, and where is evangelicalism failing?