"Keith McCafferty is a top-notch, first-rate, unmissable novelist."–C.J. Box, #1 New York Times best-selling authorIn Montana's Gravelly Range, paw prints and a single whisker discovered in a scene of horrific violence suggest that a woman was attacked and taken away by a mountain lion. Sheriff Martha Ettinger uses her fiancé, sometimes detective Sean Stranahan, to give the gnawed bones a name that includes everything that remains of the body. The woman's is the first of several deaths Sean suspects may not be explained as easily as they appear. . Blood in the tracks will take him from the river below to the snow-covered ridge tops as Sean finds himself in his most adventurous and dangerous quest. For as he approaches to unraveling the secret shared by the dead and the missing, the tracks he follows will turn, and the hunter will become the hunted.