There has never been a “guide” to Moscow like this. Deep inside that monstrous metropolis lie decayed legends—capable of materializing beyond our will and beyond our faith. But even those who categorically don’t believe in devilry can still listen and catch the whisper of old walls; they can look and see a black carriage with the souls of the dead; they can feel with every nerve the curse of a damp tunnel, a pagan shrine, a serpent’s nest. All that funeral darkness is right next to us. You can easily touch it…