What is Book of hours?
[[File:Getijdenboek Van Reynegom (16e eeuw), KBS-FRB.jpg|thumb|alt=|Van Reynegom Book of Hours]] A '''book of hours''' is a [[breviary]] containing [[prayer]]s, [[Psalm]]s, [[Antiphon (music)|antiphon]]s, and other materials to be recited at the [[canonical hours]]. These books were popular during the [[Middle Ages]] for common use among the nobility and the clergy. One of the most famous is the ''[[Très Riches Heures du duc de Berry]]''. [[Category:Books of the Roman Catholic Church]] {{Religion-stub}}