A prayer book is a collection of religious texts, often including prayers, hymns, and SCRIPTURE. The most common types of prayer books are the BREVIARY, psalter, MISSAL, HYMNAL, and SCRIPTURE. A BREVIARY is a book containing the daily prayers of the Catholic Church. A psalter is a book of the Psalms, which are a collection of sacred songs or poems from the Bible. A MISSAL is a book containing the prayers, readings, and instructions for celebrating Mass in the Catholic Church. A HYMNAL is a book of hymns, which are religious songs of praise. Finally, a SCRIPTURE is a book of the Bible.