How does a democracy die? What can we do to save our own? What lessons does history teach us? In the 21st century democracy is threatened like never before. Drawing insightful lessons from across history - from Pinochet's murderous Chilean regime to Erdogan's quiet dismantling in Turkey - Levitsky and Ziblatt explain why democracies fail, how leaders like Trump subvert them today and what each of us can do to protect our democratic rights.