In 1960s inner city Boston, Stan Zuray had no future. As the Vietnam war took more and more of his friends, and many of those who returned sank further into drugs and despair, Stan looked for meaning and found nothing. His life's purpose lay thirty-three hundred miles northwest, deep in the Tozitna River Valley in the heart of Alaska's frozen interior. Deadly cold, famine, grizzly bears, and one unruly sled dog with a grudge kept Stan on the knife's...