You don’t become Other—you are born Other. And if you are a person, entering the Twilight is not given to you. But if that ever happens, the balance established for a century between the Night and Day Watches—between the forces of Light and Darkness—will collapse. And then the Light magician Gesser and the Dark magician Zavulon will have to stand on the same side of the barricade in the struggle against whoever has staked the very existence of the Others and of people.