Pentecostal serpent handlers, also known as Signs Followers, hold a literal interpretation of a verse in the New Testament's Gospel of Mark, which states that, among other abilities, true believers shall be able to "take up serpents." For more than a century members of this uniquely Appalachian religious tradition have handled venomous snakes during their worship services, risking death as evidence of their unwavering faith. Despite scores of deaths from snakebite and the closure of numerous churches in recent decades, there remains a small contingent of serpent handlers devoted to keeping...