The historic preservation movement has had a huge influence on America's built landscape for the past thirty years. Discover the cornerstone primer on the topic -- Keeping Time. This edition features a wealth of new material, including new chapters on preservation values in oral-based cultures, international preservation, and future developments in the field. In addition, you?ll find a clear, concise survey of preservation movement?s history, complete with: Helpful coverage of the theory and practice driving the movement. Expanded material on landscape preservation. New information on scientific conservation, cultural corridors, and historic tourism. Numerous informative photographs illustrating the book's content. Order your copy of this fundamental volume for tomorrow's historic preservationists today.