A Woman of No Importance tells the fascinating story of Virginia Hall, an American who became one of the best spies for the Allies in World War II and helped significantly in the defeat of Nazi Germany.

The story of Virginia Hall in her biography, A Woman of No Importance: The Untold Story of the American Spy Who Helped Win World War II, will make you wonder why it hasn't been made into a movie.

Now, almost 40 years after her death, journalist and author Sonia Purnell gives us the details on Virginia Hall's fascinating life.

As an espionage in enemy territory, Hall secretly established operative networks and eventually lead a group of resistance who sabotaged Nazi armies. Those who knew her would say she had a hand in paving the way to Hitler's defeat.