“My head snapped up at the sound of my mother’s voice. Mother came hurtling down the steps, her expression dour and fierce - as always. She’d obviously not had as many glasses of wine today as she normally did, otherwise wouldn’t be in such a bad mood. I turned back where Callum had been, but he was already out of sight -which was just as well. Mother grabbed my arm with bony fingers that bit like pincers.”