The Divine Office: a Book of the Liturgy of the Hours in three volumes, the revised (1968 - by Pope Paul VI) prayers prayed by those in Holy Orders (and some of the Catholic Christian Faithful since Vatican II). The Offices (prayers) comprise of: The Office of Readings; Morning Prayer, Paryer During the Day (three sets viz Mid morning, Midday & Afternoon) Evening Paryer and Night Prayer. This particular edition is approved for use in England, Wales, Scotland, Ireland & Africa - also widely used in India.