Award-winning historian David Pietrusza has produced three books on Calvin Coolidge: "Silent Cal’s Almanack: The Homespun Wit and Wisdom of Vermont’s Calvin Cooldidge," "Calvin Coolidge: A Documentary Biography," and "Calvin Coolidge on the Founders: Reflections on the American Revolution & the Founding Fathers." He is also author of the forthcoming "1932: The Rise of Hitler and FDR, Two Tales of Politics, Betrayal, and Unlikely Destiny."