In previous books, historian Timothy Snyder dissected the events and values that enabled the rise of Hitler and Stalin and the execution of their catastrophic policies. With Twenty Lessons, Snyder draws from the darkest hours of the twentieth century to provide hope for the twenty-first. As he writes, "Americans are no wiser than the Europeans who saw democracy yield to fascism, Nazism and communism. Our one advantage is that we might learn from their experience." -- From the publisher.

Do not obey in advance -- Defend institutions -- Beware the one-party state -- Take responsibility for the face of the world -- Remember professional ethics -- Be wary of paramilitaries -- Be reflective if you must be armed -- Stand out -- Be kind to our language -- Believe in truth -- Investigate -- Make eye contact and small talk -- Practice corporeal politics -- Establish a private life -- Contribute to good causes -- Learn from peers in other countries -- Listen for dangerous words -- Be calm when the unthinkable arrives -- Be a patriot -- Be as courageous as you can.