The CallerIn The Sunday Times bestselling novel Darkhouse, Alex Barclay took you on a terrifying excursion to hell and back. In The Caller, she leaves you stranded there One way in no way out. He targets victims in their own homes, subjecting them to a terrifying ordeal before leaving their lifeless bodies in their hallway for a loved one to find. at first the murders appear unrelated, the notion of a serial killer at large almost dismissed. But the killing