What is this Typhonian Tradition and how is it linked to the Merovingian/Grail Bloodline and the Priory of Sion as described in Michael Baigent, Henry Lincoln and Richard Leigh’s book The Holy Blood and the Holy Grail? According to Kenneth Grant, a leading exponent of this Typhonian Tradition, and head of the Ordo Templi Orientis (a magical organization that was once headed by the one and only Aleister Crowley) this tradition is part of a current of magical force and occult