While many histories of Christian worship exist, this project undertakes a task both more focused and more urgent. Rather than survey the whole history of the Christian church, it focuses on the formative period between the first and fifth centuries CE, when so many of the understandings and patterns of Christian worship came to be. And rather than include such developments as the monastic hours of prayer and the history of ordination, the authors deal primarily with those aspects of worship that recur on a weekly or regular basis: preaching, Eucharist, and baptism. ¿The book divides its subject into three periods. It begins with the emerging