This introduction to the origins of Christian worship illuminates the importance of ancient liturgical patterns for contemporary Christian practice. Andrew McGowan takes a fresh approach to understanding how Christians came to worship in the distinctive forms still familiar today. Deftly and expertly processing the bewildering complexity of the ancient sources into lucid, fluent exposition, he sets aside common misperceptions to explore the roots of Christian ritual practices--including the Eucharist, baptism, communal prayer, preaching, Scripture reading, and music--in their earliest recoverable settings. Now in paper