In 1962 Mary Carey, newly widowed, drove the Alcan Highway alone from Texas to Alaska, where she would make herself a new life. And her life there - whether she was teaching in an eight-pupil pilot school in Talkeetna, flying Mt. McKinley with bush pilot Don Sheldon, or homesteading in the Alaskan wilderness - was one of continuous pioneering. A crackerjack photojournalist -- she obtained exclusive eyewitness coverage of the 1964...