Last Scene Alive by Charlaine Harris

The next in the Aurora Teegarden series.  Her friend the novelist is back because the novel he wrote about the events in her first book has been turned into a movie and they are filming it in Roe's home town.    The actress playing Roe is murdered and someone is taking potshots at Roe.  She's still grieving her husband's death in the last book but romance may be waiting around the corner.