Angela Moody 
The Belle of Oyster Bay [EPUB ebook] 

Sally Townsend, of Loyalist Oyster Bay, Long Island, walks a tightrope of allegiances. While appearing neutral, she secretly helps the Patriot cause. When the dashing British Officer, Lt. Colonel John Graves Simcoe, moves into her home, Sally is taken with the handsome, though sometimes ruthless officer. Simcoe is immediately infatuated with the beautiful Sally and proposes marriage. She wants to accept until she discovers he’s at the head of a plot that could destroy the fledgling American army. Now, she must choose between love for her officer and her country. Either choice could cost her everything she holds dear.