Question: the book of prayers used at mass is called
Answer: The Book of Common Prayer ( BCP ) , originally The boke of the common praier and administracion of the sacramentes : and other rites and ceremonies of the Churche : after the use of the Churche of Englande , is the short title of a number of related prayer books used in the Anglican Communion , as well as by the Continuing Anglican , `` Anglican realignment '' and other Anglican Christian churches .