The Assassin's Assassin

Who is the beautiful and mysterious Thamesis, born from the dirty waters of London's mighty river? Why does death persue those who love her? What is the secret of her fatal allure? When a discreet murderer is hired to kill her, the preternatural enigma of her life begins to unfold. But when two assassins are set against each other, who will assassinate who? Part of the collection The Green Lady and Other Stories.