Agents of Light and DarknessIn the Nightside, that nightmarish realm hidden deep beneath London, it is forever 3 a. m. Here, inhuman creatures walk beside mythic gods. And John Taylor, private detective with a difference, is back, working this secret supernatural heart of London to find an item of inestimable value. The Unholy Grail is missing . . . and everyone wants its corrosive power. This time he must use his unique gifts to locate the cup from which Judas drank at the Last