From box: "This 14th entry from Nevada Barr's New York Times best-selling Anna Pigeon mystery series sends the dauntless park range rto the remote haven of Lake Superior's frigid Isle Royale, where she comes face-to-face with wolves and finds herself in imminent peril. "Since her home base of Rocky Mountain National Park might soon receive a pack of its own, Anna joins the Isle Royale's wolf research team to study the maligned creatures. But soon after her arrival, things get strange. Giant wolf footprints are found, DNA of a possible wolf/dog hybrid is discovered, and a female researcher is savaged. Convinced a killer is stalking her, Anna braces against the biting cold and the malicious designs of an unseen menace." Read by Barbara Rosenblat 11 CDs - playing time approximately 12-1/2 hours Condition: I listened to this book one time. The item is in excellent condition.