The Pastoral Epistles -- 1 Timothy, 2 Timothy, and Titus -- are the Apostle Paul's blueprints for the rapidly growing Church.
This readable new commentary The Pillar of the Truth gives background for the three letters, brings out parallels between the Apostolic age and Israel's time in the wilderness, and, in step-by-step fashion, shows how the Apostle Paul was preparing the nascent Church for institutionalization.
