Winter Study (Anna Pigeon Series #14)

Nevada Barr's New York Times best-selling Anna Pigeon mysteries continue to break new ground in the genre. This time the roving park ranger and amateur detective investigates a case on Isle Royale. Amidst its barren landscape, a group of researchers observe a group of ravenous wolves. But a killer is on the loose as well, and only Anna can halt his murderous designs.