John Moorhead is Professor Emeritus at the University of Queensland. His books include Gregory the Great (2005) and The Popes and the Church of Rome in Late Antiquity (2015).

• Introduction, 1. The Earliest Eucharists, 2. The Eucharist in a Christian Society, 3. The Sacrifice of the Mass and the Worship Of Heaven, 4. The Laity, 5. Women and Children, 6. Anxiety and Scepticism, 7. From Reality to Symbol,List of Abbreviations, Bibliography.