Two weeks before General Cornwallis surrendered his army at Yorktown, a Loyalist yeoman farmer who had fought alongside the British for six years was hanged as a spy at Schuylerville, New York before a crowd of his former friends and neighbors. Like the vast majority of the estimated 500,000 Loyalists who gambled on a British victory, Thomas Loveless and his family were ordinary people swept up by social and political forces beyond their control. Tory Spy analyzes this "Loyalist Dilemma," making use of British and American documents of the period and providing useful illustrations, maps,...