GMC Light-Duty Trucks: An Enthusiast's Reference
Author James K. Wagner brings to this effort nearly a lifetime interest in motor vehicle evolution.  Since immediately after World War II he has observed the automotive industry, particularly that of North America, with increasing sophistication.  As a practicing product engineer he had a 37-year career in the automotive industry, most of which was focused on trucks.  Wagner has also written two books on truck product history and co-authored two additional volumes, one relating to passenger cars the other to a major industry manufacturer as well as several vehicle-oriented magazine articles.  He has made presentations to numerous collector-car/truck groups; for many years has been a narrator for a well-known mid-western vintage vehicle event; is the commercial vehicle technical advisor for a marque-specific automotive restorers club; is a member of The Society of Automotive Historians; and, has been a charter member of the SAE History Committee.