The Orthodox Prayer Book
In brief
An Orthodox prayer book is a small volume of the Church's prayers arranged for personal use: morning and evening prayers, prayers through the day, and the prayers and canons that prepare a believer for Confession and Communion. It is not a book about prayer but a book of prayers to be prayed — the same words, in substance, that Orthodox Christians have used for centuries, scaled from the monastery to the kitchen table. For most Orthodox, it is the most-handled book they own after the Bible, and often before it.
What it is and why it exists
Orthodoxy teaches its people to pray primarily with set prayers — words tested by centuries and shared by the whole Church — into which the heart grows, with spontaneous prayer welcome alongside rather than instead (why, is its own entry). The prayer book is the tool of that teaching: a portable selection from the Church's vast liturgical library, condensed for one person praying at home. Its ancestors are the service books of the monasteries, above all the Horologion, the book of the daily hours of prayer; the personal prayer book keeps the monastic skeleton — fixed morning and evening prayer — with the flesh scaled to lay life.
There is no single official edition. Each jurisdiction and many monasteries publish their own, in every language Orthodoxy speaks, and the selections differ — Greek-use and Slavic-use books have noticeably different tables of contents. But the core is remarkably stable, and a believer can pick up an unfamiliar prayer book anywhere in the Orthodox world and be at home within a page.
What is inside
Nearly every prayer book opens with the "usual beginning" — the Trisagion prayers, the fixed sequence that starts almost every Orthodox service and private rule alike, beginning with the invocation of the Holy Spirit, "O Heavenly King." Then come the two daily anchors: morning prayers and evening prayers, each a sequence of psalm verses and prayers attributed to particular Fathers — in Slavic-use books the morning prayers include prayers under the names of St. Basil the Great and St. Macarius of Egypt, and the evening prayers a chain of short petitions under the name of St. John Chrysostom, one for each hour of the day and night. Around the anchors gather prayers at meals, brief prayers for work, travel, and the sick, prayers to the Theotokos and the saints, and prayers for the departed.
The other great block is preparation for Holy Communion: the canons of repentance to Christ, the Theotokos, and the guardian angel, the Canon and Prayers before Communion, and the thanksgiving prayers after — treated in detail in their own entry. Fuller editions add a selection of psalms (the whole Psalter is its own discipline), akathists and canons for home use, and preparation for Confession. A prayer book is thus a map of Orthodox devotional life in miniature: daily prayer, the Mysteries, the Mother of God and the saints, the living and the dead.
How it is actually used
No one is expected to pray the whole book. Each believer keeps a prayer rule — a fixed, realistic portion, ideally settled with one's priest — and the prayer book is quarried for it: perhaps the usual beginning, a few of the morning prayers, and one or two evening prayers to start, growing slowly as prayer becomes as habitual as washing. The classic advice is consistency over ambition: a short rule kept every day, at the icon corner if the home has one, outweighs a long rule kept twice a year. The set words are not a cage but a trellis — the Church lends you her words until they become your own, and the same page that felt stiff in the first month is, years later, the sound of home. Alongside the rule, the Jesus Prayer fills the gaps of the day with prayer no book is needed for.