Mary Umstot, and her husband Denis, have owned TEKA III, an ocean-going trawler for over fifteen years; their 60,000 nautical mile experience equals more than twice around the Equator. Mary belongs to a special group of women who traveled every mile of this journey. There have been many women going great distances on sailboats, but few have experienced the unique adventure on a powerboat. How Boats Work, aimed at a younger reader, is her third book about her adventures at sea, including Voyaging to the Mediterranean Under Power. She has also published thirteen articles in PassageMaker Magazine...