The term "church book" can be replaced with several synonyms depending on the context used. For example, if referring to a book that contains the order of service, hymns, and prayers, it can be called a hymnal or a prayer book. A missal is a religious book that contains the texts and chants needed for the celebration of Mass throughout the year. A lectionary, on the other hand, is a book containing a selection of scripture readings used in worship services. A breviary is a book used by priests and certain members of religious orders to pray the Liturgy of the Hours. Overall, there are many alternatives to the term "church book" depending on the type of book being referred to.