Coleman has won the Western Heritage Award from the Cowboy Hall of Fame three times, as well as two Spur Awards from the Western Writers of America.

Wealthy archeologist Lawrence Haslett has located an important site for the artifacts of an ancient tribe of Indians in the Lost River Valley. He hires talented Sidra Givens to be the photographer on the expedition. What Sidra finds as she enters Lost River Valley is violence, terror and greed. Surviving in this climate of ceaseless and unrelenting violence is an incredible challenge.