In 1993, when he was twenty-four years old, Mark Peterson made a choice that left him no option but to trust God for everything. Accompanied by only his horse and a borrowed pack mule, Mark rode north toward Canada from California's Central Valley carrying no provisions and a question: Is the God of the Bible still God today? He spent the next two and a half months riding over West Coast rivers, mountains, valleys, and rangelands, sleeping in hay...