LOUIS  L'AMOUR  -  HAUNTED  MESA   1987.

The Navajo called them the Anasazi: an enigmatic race of southwestern cliff dwellers. For centuries, the sudden disappearance of this proud and noble people has baffled historians. Summoned to a dark desert plateau by a desperate letter form an old friend, renowned investigator Mike Raglan is drawn into a world of mystery, violence, and explosive revaltion. Crossing the border beyond the laws of man and nature, he will learn the astonishing legacy of the Anasazi -- but not without a price. Set in the contemporary Southwest, The Haunted Mesa draws on Louis L'Amour's extensive knowledge of Indian lore and mysticism. In this extraordinary book L'Amour tells a tale of epic adventure that takes his readers across the most extraordinary frontier they have ever encountered.