Turn your hair white kind of scary. Creepy dolls? Imaginary buddies that come to life? Darren Shan think it’s the greatest? Tick them all off your list. Uh-oh: meet the Imaginary Fiends. They’re not just real. They’re really evil. Kyle hasn’t seen Mr Mumbles in years. & there’s a good reason for that: he doesn’t exist. But now Kyle’s childhood imaginary friend is back – with a vengeance. Kyle doesn’t have time to worry about why. Only one thing matters: staying alive…