Part one: The romanization of Christianity. "By this conquer..."
Conversion in a Christian empire
Part two: The fall of Roman Christianity. Nicaea and the fall of the West
Islam and the fall of the East
"Not angels": conversion in north-western Europe
Latin Christianity restructured
Culture and society in the post-Roman West
Part three: Christian empire renewed. Christian expansion in a second age of empire
Charlemagne's city of God