Perhaps it is asking too much of the reader to accept a story in which a Viking warrior wanders into a settlement of Anasazi Indians in southwestern Colorado over 800 years ago. But the author thinks it could have happened. And he weaves a story of Norsemen and Anasazi ways of life that will fascinate and stimulate the imagination from the moment Thorvar enters the high cliff homes of the Indians he befriends in Mesa Verde until he eventually leads them in a hunt for something more precious than gold. Travel with them to those ancient inspiring places that are now known as Canyon de Chelly,...