Theotokaryon - By Saint Nicodemus of Mount Athos
Books containing collections of hymns to the Virgin Mary were called Theotokaria, and there are many such books. The "Theotokaryon" of the Church has been established as the one composed by St. Nicodemus the Athonite, collecting from the manuscript Theotokaries of the monasteries of Mount Athos rules in the eight sounds for each day of the week. (From the Preface to the Edition)
Pages: 400, Dimensions: 25 x 17.5cm.
The book is available only in Greek language.