The seventh volume of the series “The Complete Collection of the Works of the Holy Fathers of the Church and Church Writers in Russian Translation” is dedicated to the epistolary, poetic, hymnographic and homiletical heritage of St. Theodore the Studite (759–826). This volume contains Letters, Hymnographic Works, including texts by St. Theodore the Studite from the Lenten Triodion, Octoechos and Menaion, Hymns (kontakia), Epigrams and Words. This edition opens with a preface by Metropolitan Vladimir of Omsk and Tauride. The appendix contains a number of ancient texts that are important and tell about the era, life and work of the Monk Theodore the Studite. The texts of the works of the Monk Theodore the Studite are accompanied by theological, church-historical and textual comments. At the end of the book there is an index of quotations from the Holy Scriptures, as well as name, geographical and subject indexes. The editors hope that this publication will attract the attention of teachers and students of theological educational institutions and simply thoughtful Orthodox readers who are not indifferent to the patristic heritage and its integral component - the works of St. Theodore the Studite.