Amity Shlaes. Amity Shlaes, one of America’s premier economic historians, is the author of six books, among them four New York Times bestsellers: Great Society: A New History (HarperCollins, November 2019), The Forgotten Man: A New History of the Great Depression (HarperCollins, June 2007), Coolidge (HarperCollins, February 2013), The Forgotten …