Hunt the Beast King

Garrick Boone was branded a madman after giant antlered beasts crushed his team—until the herd storms the outpost and only his forbidden black horn whistle can turn them. Every blast saves lives, but it also marks him for the Beast King hunting from beneath the Rockies. With a ruthless weapons agency stirring the swarm and the last border towns falling, Garrick must build a hunter army before America’s wild frontier is trampled into bone.