DAVID W. STANFIELD is a small-business owner and has worked twenty-seven years in the HVAC industry analyzing systems. He and his wife, Carol, live in Frederick, Maryland with their three Cocker Sp...view moreDAVID W. STANFIELD is a small-business owner and has worked twenty-seven years in the HVAC industry analyzing systems. He and his wife, Carol, live in Frederick, Maryland with their three Cocker Spaniels. This is his debut book.view less