The chalk circle man by Fred Vargas
Author: Fred Vargas ; trans from the french by Sian Reynolds
An Adamsberg novel
Chief Inspector Jean-Baptiste Adamsberg has recently been transferred to Paris. His police methods aren’t exactly standard procedure and his inspectors have a lot to get used to. But they can have no doubt that he is a born policeman, and while even he is unable to explain how he arrives at his conclusions he is usually correct. In this case he thinks that there is something strange about the blue chalk circles that have been appearing in the Parisian streets. He is convinced that there is something sinister about them.