#prayer_book__prayerbook  a book containing prayers
  supertype:  book  a copy of a written work or composition that has been published (printed on pages bound together); "I am reading a good book on economics"
  subtype:  breviary  (Roman Catholic Church) a book of prayers to be recited daily certain priests and members of religious orders
  subtype:  missal  (Roman Catholic Church) a book containing all the prayers and responses needed to celebrate Mass throughout the year
  subtype:  Psalter__Book_of_Psalms  a collection of Psalms for liturgical use

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