Congregation for Divine Worship and the Discipline of the Sacraments: General Instruction of the Roman Missal (Third Typical Edition)

Provides specific detail about each element of the Order of Mass celebrated in accordance with the Roman MissalThird Edition, implemented 27 November 2011. Image links to Vatican translation.

Joseph Cardinal Ratzinger: The Spirit of the Liturgy

Intended to foster understanding and appreciation of “the liturgy in all its beauty, hidden wealth, and time-transcending grandeur, to see it as the animating center of the Church, the very center of Christian life.” ISBN recommendation:0-89870-784-6

Congregation for Divine Worship: Liturgy of the Hours According to the Roman Rite

The official daily prayers of the Roman Catholic Church. The current form, revised after Vatican II, was published and released 11 April 1971 with the approval of Pope Paul VI. Image links to free Liturgy of the Hours website. ISBN recommendation: 0899424090