period from Thomas Sunday until Ascension Ascension and its Afterfeast Pentecost and its Afterfeast All Saints Sunday (the Sunday after Pentecost) Synaxarion (Greek: Συναξάριον; Romanian: Sinaxar)—The Synaxarion contains for each day of the year brief lives of the saints and meanings of celebrated feasts, appointed to be read after the Kontakion and Oikos at Matins. Irmologion (Greek: ῾Ειρμολόγιον; Slavonic: Ирмологий, Irmologii)—Contains the Irmoi chanted at the Canon of Matins and other services. Priest's Service Book (Greek: ῾Ἱερατικόν, Ieratikon; Slavonic: Слѹжебникъ, Sluzhebnik) Contain the portions of the services which are said by the priest and deacon and is given to a deacon and to a priest with his vestments at ordination. Bishop's Service Book (Greek: Ἀρχιιερατικόν Archieratikon, Slavonic: Чиновникъ, Chinovnik) the portions of the services which are said by the Bishop; for the Canonical Hours, this differs little from what is in the Priest's Service Book. Gospel Book (Greek: Ευαγγέλιον, Evangelion) Book containing the 4 Gospels laid out as read at the divine services. Apostle Book (Greek: Απόστολος, Apostolos; Slavonic: Апостолъ, Apostol) Contains the readings for the Divine Liturgy from the Acts of the Apostles and the Epistles together with the Prokeimenon and Alleluia verses that are chanted with the readings. Patristic writings Many writings from the Church fathers are prescribed to be read at matins and, during Great Lent, at the hours; in practice, this is only done in some monasteries and frequently therein the abbot prescribes readings other than those in the written rubrics. therefore it is not customary to enumerate all the volumes required for this. Collections (Greek: Ανθολόγιον, Anthologion; Slavonic: Сборникъ, Sbornik) There are numerous smaller anthologies available which were quite common before the invention of printing but still are in common use both because of the enormous volume of a full set of liturgical texts and because the full texts have not yet been translated into several languages currently in use. Typicon (Greek: Τυπικόν, Typikon; Slavonic: Тѵпико́нъ, Typikon or уста́въ, ustav) Contains all of the rules for the performance of the Divine Services, giving directions for every possible combination of the materials from the books mentioned above into the Daily Cycle of Services. Liturgical cycles Various cycles of the liturgical year influence the manner in which the materials from the liturgical books (above) are inserted into the daily services: Weekly Cycle Each day of the week has its own commemoration: Sunday—Resurrection of Christ Monday—The Holy Angels