In Grizzly Confidential, author Kevin Grange--former paramedic and park ranger at Yellowstone and Grand Teton--comes face-to-face with North America's most fearsome predator, Ursus Arctos. His quest takes him from his home in the Tetons to an eerie, mist-shrouded island of gigantic bruins; from the Bear Center at Washington State University--where scientists believe the secrets of hibernation might help treat diabetes, heart...