The Killing Lessons : Orion Books : 9781409152965 : 1409152960 : 22 Oct 2015 : 'Do not read this. No reader deserves to be terrified like this' Linwood Barclay 'Explosively exciting' SUNDAY MIRROR 'Brutally compelling serial killer thriller... told at blistering pace' DAILY MAIL 'Completely mesmerizing!' Lisa Gardner When the two strangers turn up at Rowena Cooper's isolated Colorado farmhouse, she knows instantly that it's the end of everything. For the two haunted and driven men, on the other hand, it's just another stop on a long and bloody journey. And they still have many miles to go, and victims to sacrifice, before their work is done. For San Francisco homicide detective Valerie Hart, their trail of corpses - women abducted, tortured and left with a seemingly random series of objects inside them - has brought her from obsession to the edge of physical and psychological destruction. And she's losing hope of making a breakthrough before that happens. But the slaughter at