Grit Calhoun: Mountain Man Books in Order

In 1843, mountain man Grit Calhoun guides an Army survey party through Wyoming's Wind River country. Their search for a new pass threatens a fur company's monopoly, provoking sabotage and violence along an already perilous route.

Grit Calhoun's report on the high country makes him a target for investors determined to silence an inconvenient witness. As winter approaches, hired gunmen threaten the basin where he and Jonas have spent the summer working.

Grit Calhoun discovers that a freight association is burning out communities along Montana’s river routes to secure exclusive claims. With local resistance holding on, he confronts a scheme designed to erase the people whose presence stands in its way.