Moonflower Murders by Anthony Horowitz
Moonflower Murders is the sequel to Magpie Murders, although I think it would work well as a stand alone. Once again we have a book within the book, and the return of publisher/amateur sleuth, Susan Ryeland. After the fallout from the last book, Susan is no longer working in publishing and is instead jointly owning and running a hotel in Crete with her long term Greek boyfriend, Andreas Patakis. A hotel is hard work day in and day out, with never-ending problems, and lots of debt. The truth is that she is missing England and her former profession as an editor.
So when Susan is approached by wealthy couple, Lawrence and Pauline Trehearne, to return to England and stay at the exclusive Branlow Hotel in order to look into the disappearance of their daughter, Cecily, it feels like just what she needs to do- and she'll be getting paid. Eight years ago, a hotel guest had been brutally hammered to...