books by subject
Religious History of Christianity
A Third Testament: A Modern Pilgrim Explores the Spiritual Wanderings of Augustine, Blake, Pascal, Tolstoy, Bonhoeffer, Kierkegaard, and Dostoevsky
Who Was Jesus?
The Christian Centuries
Free to Believe
Cross and the Crescent: History of the Crusades
The Crusades
Pains of Glass: Companion to Holy Week from King's College Chapel, Cambridge
Robert Morrison and the Birth of Chinese Protestantism (T&T Clark)
The Identity of Anglicanism: Essentials of Anglican Ecclesiology
The New Testament and Jewish Law: A Guide for the Perplexed (Guides for the Perplexed)
An Introduction to Christian Theology
The Meaning of the Dead Sea Scrolls: Their significance for understanding the Bible, Judaism, Jesus and Christianity
Studies in Scottish Church History (Old Testament Studies Series)
The Search for the Christian Doctrine of God: The Arian Controversy, 318-381 A.D.
Origen
Evangelical Theology
Foundation Documents of the Faith
William Temple and Christian Social Ethics Today
A Brief Theology of Revelation
Philippi: How Christianity Began in Europe: The Epistle to the Philippians and the Excavations at Philippi
The Eucharist
Augustine of Hippo: A Biography
Pilgrimage: An Image of Mediaeval Religion
The Albigensian Crusade
Trial by Battle: The Hundred Years War, Vol. 1
Warriors of God
Apostle: Travels Among the Tombs of the Twelve
Contemporary Issues: A Christian View
Medieval Monasticism: Forms of Religious Life in Western Europe in the Middle Ages