What is the Church? How do we know that the Catholic Church is the Church Jesus started and sustains? Drawing from the Old and New Testament and going beyond the Bible to the early disciples of the Faith, I demonstrate the answers to these fundamental questions. 

Eric's new book "Visible Unity: A Calling of Christ for the Church":

https://www.amazon.com/Visible-Unity-Calling-Christ-Church-ebook/dp/B08MBD4D6W/ref=sr_1_1?crid=1S1LMSWOKSIEI&dchild=1&keywords=visible+unity+a+calling+of+christ+for+the+church&sprefix=visible+unity%2Caps%2C201&sr=8-1