Midnight Jones is an analyst trained to understand the human mind. But everything changes when, in the course of her work, she discovers Profile K's file - because K stands for killer, and she knows that someone more dangerous than she could have ever imagined walks among them. Midnight knows what Profile K is capable of before he even commits his first crime. But as the news rolls with the brutal murder of a local woman, no one believes what she tells them: that he is capable of so much worse. Profile K will kill again - and, terrifyingly, Midnight realises that the moment she found his file was the moment she became his next target. Because Profile K is coming for Midnight - and the only way to escape with her life is to find him before he finds her ... The million-copy bestseller is back with a dark, terrifying journey into the mind of a psychopath that will keep you riveted until the very last page.