Some people call him the smartest baseball player of all time. Moe Berg could speak twelve languages—and make up signs on the baseball diamond. How did this major league catcher go on to become an American spy in World War II? HIDDEN HISTORY books share the important roles these men and women played in our nation's history as spies -- hidden in plain sight.
The story of Harriet Tubman and her role in leading slaves to freedom along the Underground Railroad is well-known. But did you know that during the Civil War Harriet would often dress in disguise to gain important information to share with the Union Army? HIDDEN HISTORY books share the important roles these men and women played in our nation's history as spies -- hidden in plain sight.