Logistics has been defined as the management of inventory, whether in motion or at rest. A Practical Guide to Transportation and Logistics provides an overview of the key elements of business logistics. Written in a clear and starightforward style, this new and expanded third edition is a valueble tool for the student and the front-line manager. Logistics is a key aspect of our economy. Business logistics costs account for over eight percent of the U.S nominal Gross Domestic Product.