List of books by Pope Benedict XVI * Introduction to Christianity (1968) * Daughter Zion: Meditations on the Church's Marian Belief (1983) * Schauen auf den Durchbohrten: Versuche zu einer spirituellen Christologie - The Theological Basis for a Spiritual Christology (1984) (English title Behold the Pierced One, Ignatius, 1986) * The Ratzinger Report (1985) ISBN 0-89870-080-9 * Dogma and Preaching (Franciscan Herald, 1985) * Feast of Faith: Approaches to a Theology of the Liturgy (Ignatius, 1986) * Principles of Christian Morality (Ignatius, 1986) * Journey Towards Easter: Retreat Given in the Vatican in the Presence of Pope John Paul II (1987) * Principles of Catholic Theology: Building Stones for a Fundamental Theology (Ignatius, 1987) * Eschatology -