Motorized Mail by James H. Burns. If you love cars, you'll discover their unique role in history in this specialized book. If you're fascinated by the Post Office or history, you'll enjoy the "special handling" of this noteworthy subject. Includes hundreds of historic and contemporary photographs pulled from the Smithsonian Institution's Archives. Motorized Mail delivers for the first time the full story of every type of vehicle tried and used by the Post Office. Softcover. Published by Krause Publication.