The Sentence is Death by Anthony Horowitz

Odd, considering he didn’t drink. Why this bottle? And why those words? And why was a three-digit number painted on the wall by the killer? And, most importantly, which of the man’s many, many enemies did the deed?

Baffled, the police are forced to bring in Private Investigator Daniel Hawthorne >and his sidekick, the author Anthony, who’s really getting rather good at this murder investigation business.

But as Hawthorne takes on the case with characteristic relish, it becomes clear that he, too, has secrets to hide. As our reluctant narrator becomes ever more embroiled in the case, he realises that these secrets must be exposed – even at the risk of death…