The Cold Nowhere Jonathan Stride Series, Book 6.

Edgar Award finalist and international bestselling author Brian Freeman brings the long-awaited return of Lieutenant Jonathan Stride to the bitter cold of Duluth, Minnesota. Sixteen-year-old Catalina Mateo shows up unannounced one night in Detective Jonathan Stride's home, dripping wet from a desperate plunge into the icy waters of Lake Superior. Her sodden clothes stained with blood, Cat spins a tale of a narrow escape from a shadowy pursuer...