Lives hang in the balance in this gripping Revolutionary War adventure from a beloved Newbery Medalist.In 1776, young Sophia Calderwood witnesses the execution of Nathan Hale in New York City, which is newly occupied by the British army. Sophia is horrified by the event and resolves to do all she can to help the American cause. Recruited as a spy, she becomes a maid in the home of General Clinton, the supreme commander of the British forces in America...