The Alchemist's Code

Hired by Venice's ruling Council of Ten to uncover a foreign spy, legendary seer Maestro Nostradamus, aided by his apprentice, Alfeo Zeno, soon discovers that the clever spy can only be caught by occult means and must turn to Alfeo, a young swordsman in possession of some unique talents, to solve the dangerous mystery, in the sequel to The Alchemist's Apprentice. Original.