The Cartographer's Secret

Previously

…‘What do you know?’ Harding asked, his voice low. I swallowed hard. ‘Everything. And nothing. There’s a basement under the old wing. Fifteen bodies. I found them five days ago.’ Harding’s eyes widened, but he said nothing. He simply nodded, as if he had expected this all along. ‘Then we have work to do,’ he said. ‘But first, we find out who left that note.’ A creak sounded from the rafters above. We both looked up—and saw a dark figure silhouetted against the broken window, watching us in silence. Before I could call out, the figure was gone, and the candle on the altar flickered out, plunging us into darkness.