The present volume, translated by Mother Mary and Archimandrite Kallistos Ware, was first published by Faber & Faber (London & Boston) in 1978. It contains all the offices to be found in the Greek Triodion, excluding the daily Triodion hymns outside the first week of Lent and Holy Week. The companion volume for this book is The Lenten Triodion Supplement.
His Excellency, the Most Reverend Metropolitan Kallistos of Diokleia (also known by his lay name, Timothy Ware) is a titular metropolitan of the Ecumenical Patriarchate in Great Britain. From 1966-2001, he was Spalding Lecturer of Eastern Orthodox Studies at Oxford University, and has authored numerous books and articles pertaining to the Orthodox Christian faith.