Early Christianity had a powerful esoteric current. This is reflected in the New Testament writings of Mark, Paul and above all, John. Gnostic Christians tried to preserve this tradition, using the archaic mysteries as a way to knowledge (gnosis) of higher cosmic truths. But the Gnostic sects were finally suppressed by an orthodoxy which, Andrew Welburn concludes, had lost sight of the 'dynamic of the self'. The full scope of the traditions...