[from back of box] Wild wind hisses through frosty sagebrush. Knife-sharp clouds cross a blazing white moon. In the quaking aspens that fringe the foothills, a shivering clatter draws the traveler with its siren song. Danger is everywhere, even in plain view. Welcome to Wyoming Territory, amigo! It's a place of wonder and beauty, but it ain't for the faint of heart. Horror at Headstone Hill is a sandbox campaign setting, fully detailing this small section of the Weird West. As the heroes unravel the main campaign storyline they'll find themselves drawn into all manner of exciting adventures in and around Uinta County, Wyoming. It includes a handy booklet for players, a 128-page Marshal's book, a double-sided map, detailed player handouts, creature cards, pawns, and a unique wild die.