While Middlesex County is one of the most historic in the nation, some of its past is little known. Researchers found dinosaur tracks in Middlefield that date back 200 million years. The author of Dr. Dolittle, Hugh Lofting, lived in Killingworth, and a young Dr. Seuss spent summers in Clinton. Constance Baker Motley, the first female African American federal judge, resided in Chester. A Portland lake has water levels that fluctuate for no apparent reason. An Essex blacksmith shop was America's oldest continuously run family business. Local authors Robert and Kathleen Hubbard reveal these and many other unforgettable stories.