Senator Elizabeth Warren has long been an outspoken champion of America's middle class, and by the time the people of Massachusetts elected her in 2012, she had become one of the country's leading progressive voices. Now, at a perilous moment for our nation, she has written a book that is at once an illuminating account of how we built the strongest middle class in history, a scathing indictment of those who have spent the past thirty-five years undermining working families, and a rousing call to action.