It's 1923 and Rocky Mountain National Park is scarcely eight years old. District Ranger Tim McIntyre is investigating the killing of three elk. Gala Book, eleven-year-old daughter of the local barber, has befriended one particularly huge bull elk. She decides to protect it by leading it into the backcountry of the national park. Elk are not the only endangered animals, either. While someone's killing elk to get the "whistler" ivory teeth, some Denver...