The book offered to the reader opens with a series “Holy Fathers of the Church and Church Writers in the Works of Orthodox Scholars” .. This series was conceived as an appendix to the publication “The Complete Collection of the Works of the Fathers of the Church and Church Writers in Russian Translation” (PTSO). The first book of the new series is dedicated to St. Gregory the Theologian and is accordingly an appendix to the first and second volumes of the PSTSO .. It includes 12 works about St. Gregory the Theologian, in particular such pre-revolutionary authors (XIX - early XX century), as Archimandrite Porphyry (Popov), N. and . Barsov, N. Fetisov and others . The studies highlight the personality of the great Cappadocian from different sides: they tell about the different stages of St. Gregory’s life, the reasons for naming the Theologian, his moral and ascetic teaching, preaching, pastorship, poetic creativity, etc. p. The new series is of value not only to theological specialists and students of theological educational institutions, but also to all readers seeking spiritual edification. * * Project manager Professor, Doctor of Church History A. and . SIDOROV