PS238, No. 18

Tyler, a.k.a. "Moon Shadow," tries to warn ps238 about Charles Brigman, a teleporting menace to life, limb, and not getting dropped in a nearby lake. Meanwhile, a young girl named Satori reveals that she can not only speak with the dead, but there's at least one ghost camped out on Excelsior School's front lawn! And Prospero sure seems excited about something, but what?