The Devil's Best Trick - Hardcoverby Randall Sullivan (Author) Part true crime story, part religious and literary history, an investigation into the nature of evil and the figure of the Devil by acclaimed journalist Randall Sullivan Throughout history, humans have struggled to explain the evils of the world and the darkest parts of ourselves. The Devil's Best Trick is a unique and far reaching investigation into evil and the myriad ways we attempt to understand it particularly through