Liber Brevior. NY: Preserving Christian Publications, 2011 (Original: Tournai: Desclee, 1954.) A slimmer version of the Liber Usualis with only the Gregorian chants from Graduale Romanum that are needed to sing Mass in the Extraordinary Form for Sundays and feast days + Sunday Vespers (Divine Office from Roman Breviary). Includes supplement for USA feasts.  Black hardbound binding with two ribbon markers and red edges.  Brand new copy. Buyer to pay $8 Priority Mail costs.