CITY OF GOD

[1-22]

1 of 22

https:// en.wikipedia.org/wiki/The_City_of_God_(book)

City of God is an important set of [22 Books] written by St. Augustine of Hippo in 4 AD. He was one of the most influential Church Fathers. The City of God is a cornerstone of Western thought, expounding on many profound questions of theology, such as the suffering of the righteous, the existence of evil, the conflict between free will and divine omniscience, and the doctrine of original sin.

Q mentions [1-22] & 1 of 22 several times

A summary of each book is contained in the link.

Very interesting and relevant.