Detective Daniel Hawthorne needs cash. Having gotten himself fired from the police, Hawthorne decides to approach Anthony Horowitz. He's investigating a complex murder and he wants Anthony to write a book about it, a bestselling book of course, with a 50/50 split. The only catch is they need to solve the crime. This is Anthony Horowitz as you've never seen him - a character in his own novel. Introducing a brilliant new detective series set in London.