When Jesus Became God: The Epic Fight over Christ's Divinity in the Last Days of Rome by Richard E. Rubenstein

A fascinating volume details the two priests--Arius and Athanasius--mortal enemies who became the major players in the fateful conflict in Christendom to decide whether Jesus was God or the holiest of men until the Reformation and Alexander, the powerful bishop of Alexandria, who was determined to find a speedy resolution. 20,000 first printing.