From the sands of Alexandria via the Renaissance palaces of the Medicis, to our own times, this spiritual adventure story traces the profound influence of Hermes Trismegistus -- the 'thrice-great one', as he was often called -- on the western mind. For centuries his name ranked among the most illustrious of the ancient world. Considered by some a contemporary of Moses and a forerunner of Christ, this almost mythical figure arose in fourth...