"Dear Detective Inspector Thorne. What can I say? Practice makes perfect. And don't you just envy her that perfect...distance? I invite you to consider the concept of freedom. True freedom. Have you ever really considered it? I'm sorry about the others. Truly. I shall not insult your intelligence with platitudes about ends and means but offer in mitigation the thought that a massive undertaking often has an appropriate margin of error. It's all about pressure, Detective Inspector Thorne, but then you'd know all about that. Seriously, though, Tom, maybe I'll call you sometime.Mark Billingham's arresting debut novel "Sleepyhead, an international bestseller, is a mesmerizing, psychological thriller. Tense and unnerving, this menacing tale of obsession is as scathingly witty as it is bone chilling, and it introduces a stunning new talent in detective fiction.Alison Willetts is unlucky to be alive. She has survived a deliberately induced stroke, and although she can see, hear, and feel, she is completely unable to move or to communicate. In leaving Alison alive, the police believe her assailant has made his first mistake. Until Detective Inspector Tom Thorne discovers the horrifying truth: Alison is the psychopath's first success; the three women he killed before her were the mistakes. "An appropriate margin of error" is how their killer dismissed them; his true intention was to leave them just like Alison: put to sleep for the rest of their natural lives. And ThorBillingham, Mark is the author of 'Sleepyhead' with ISBN 9780066212999 and ISBN 0066212995.