It certainly is not easy to add anything to that grand, opulent, and vibrant book that is Naples. More than a city, Naples is a universe of opposites: it is a place blessed with great beauty and breathtaking landscapes, but it is equally dark and grungy, as southern Italian cities frequently are. Naples is aristocratic and ragamuffin, open and inviting, and, at the same time, unruly and secretive. So begins Cesare Cunaccia's introduction to Hidden...