The Ordo is a day-to-day liturgical guide for the Missal of 1962 (Extraordinary Form).
It gives liturgical details of every Mass for every day of the year for the universal calendar. It also gives detailed information for the Dioceses of England and Wales (the only Traditional Ordo, that we are aware of, that offers this extra information). It is an indispensable guide for priests, servers and laity.
Includes guidance, confirmed by the Pontifical Commission Ecclesia Dei regarding Holy Day celebrations in the Traditional Rite. 98 pages, including 22 pages of liturgical notes and full discussion of Indulgences.