Who better to face the greatest evil of the 20th-century than a humble man of faith? As Adolf Hitler and the Nazis seduced a nation, bullied a continent, and attempted to exterminate the Jews of Europe, a small number of dissidents and saboteurs worked to dismantle the Third Reich from the inside. One of these was Dietrich Bonhoeffer, a pastor and author. In his blockbuster New York Times bestselling biography, Eric Metaxas takes both strands...