What would you do if your country was counting on you to deliver a message? That's sixteen-year-old Sybil Ludington's urgent mission. In 1777, Sybil and her family believe the American colonies should be free from British control. Sybil's father leads a regiment of New York militiamen, and everyone in the family is dedicated to the Patriot cause. Using spy tactics and codes, the Ludingtons gather intelligence, hoping to stay one step ahead of their enemies. When British troops raid nearby Danbury, Connecticut, Sybil gallops through the night to call out her father's men. But the journey is dangerous for a girl who's all alone. With obstacles at every turn, will she make it in time to stop the British? Based on a True Story books are exciting historical fiction about real children who lived through extraordinary times in American History. This title has Common Core connections.