New additions this year are the traditional prayers for a General Chapter, since the Order will be conducting a Chapter in Bologna in 2016. The calendar includes the dates that the prayers are to be said, as well as notations that indicate the 15 Tuesdays devotion to Our Holy Father St. Dominic.
The calendar is based on the Dominican Rite Liturgical Calendar that Fr. Augustine Thompson, O.P. prepares every year. The format is similar to that of the Ordo published by the Priestly Fraternity of St. Peter for the Extraordinary Form of the Roman Rite. The calendar contains the entire liturgical year, according to the 1962 Breviarii Iuxta Ritum Ordinis Preædicatorum, updated with the most recent canonizations of Dominican saints.
The calendar is based on the Dominican Rite Liturgical Calendar that Fr. Augustine Thompson, O.P. prepares every year. The format is similar to that of the Ordo published by the Priestly Fraternity of St. Peter for the Extraordinary Form of the Roman Rite. The calendar contains the entire liturgical year, according to the 1962 Breviarii Iuxta Ritum Ordinis Preædicatorum, updated with the most recent canonizations of Dominican saints.
In addition, the obits of the Masters General and the anniversaries of the Order are given, as well as the list of Dominican blesseds and the day of their votive office. Reminders are given for days when Dominican Tertiaries (Lay Dominicans) can obtain indulgences during the year. As with last year, it also includes an English translation of the Ordinary of the Office of Pretiosa, as well as that of the Office of Prime.
Each day is annotated with the feast, the rank, commemorations (if any), and reminder notes if the day includes an anniversary or the obit of a Master General of the Order. The list of obits of the Masters General has been updated to include the Masters who have died since the last Dominican Breviary was published in 1962. All one needs in addition to this booklet is the "Martyrology of the Sacred Order of Friars Preachers" and a Missal (for the Gospel of the day) and one can pray the Office of Pretiosa every day of the year.
You can purchase a copy of the calendar here, at Fr. Thompson's "Dominican Liturgy Publications" at Lulu.