Shortlisted for the Scottish Children's Book Awards 201515-year-old Callie Hall has just found out she's a witch, and things keep going wrong. Sometimes her mind seems to make things happen, things she can't control. She can set fire to things without a match, and when she's angry people can get hurt.Her friend Josh understands she's a bit weird, but it's only on a dark and dangerous visit to the tunnels under the ruins of St Andrews' Castle that he realises just how strange she really is. Something comes back with Callie -- in Callie -- something she can't escape.Can Callie control her power long enough to send back the darkness, before it takes over her life? And will Josh ever understand her secret?A brilliant, engrossing teen fantasy from the author of Winterbringers and The Keeper's Daughter.