The Night Hunter: An Anderson & Costello Police Procedural Set In Scotland

Evie McCulloch's sister Sophie has been missing for 57 days. She went out for a run - and never came home. Elvie's efforts to find out what happened to Sophie, and to the other local missing girls, will find her pitted against a terrifying enemy. Someone who has killed before, someone who will kill again. Someone they call The Night Hunter.