Paul B. Thompson 
Liberty’s Son [PDF ebook] 
A Spy Story of the American Revolution

Oliver Carter arrives in Boston in 1773 with the simple plan to work for Dr. Benjamin Church. However, the American colonists had grown tired of British tyranny and Boston was the center of rebellious activity. Oliver joins Dr. Church in the Sons of Liberty, a group of colonists fighting for the rebel cause, but Oliver discovers that his boss is a traitor, giving secrets to the British. What does Oliver do to warn his friends? Follow Oliver Carter in this spy story as he joins the rebellion, risks his life, and witnesses one of the climactic events beginning the American Revolution, the Boston Tea Party.