Professor Echeverria does a thorough job of drawing from the pre-papal writings of Jorge Mario Bergoglio and the man's current papal writings, talks, and sermons to discover and document the continuity in thought Francis has with the councils.Echeverria compares Francis's discourse with that of his papal predecessors in the era since Vatican II. He draws heavily on the documents of Vatican II and the theology of doctrinal development stemming from the First Vatican Council and embraced by Vatican II. Not left out is the modern ecumenical movement from both the Reformed and Catholic side.