I would like to recommend a trilogy (and anything else) by the late Michael Davies: the Liturgical Revolution (Cranmer's Godly Order, Pope John's Council, and Pope Paul's Mass) Published in 1980.
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...