"The Christian Church in These Islands before the Coming of Augustine" is a series of three lectures delivered by John R. H. Moorman in 1894. The book delves into the early history of Christianity in the British Isles, focusing on the period before the arrival of St. Augustine of Canterbury in 597 AD. Moorman explores the origins, development, and influence of the early Christian Church in Britain and Ireland, highlighting the unique characteristics and contributions of Celtic Christianity.