Emmeline Duncan has written the first novel in her Ground Rules Mystery series. In case you haven’t guessed, the plot concerns a barista and her partner who operate a food truck in Portland, Oregon. When a man turns up dead right in front of their truck, Sage decides to investigate, especially since she is under suspicion for his murder. The cast of characters includes the other food trucks owners: Zarek, the falafel guy, Macie, the pie lady, and Emma , who runs the jojo stand (a kind of fried chicken tender with a special breading). By the time Sage finally figures out who the murderer is, it might be too late…