Top 10 Best Madame Fourcades Secret War By Lynne Olson

Madame Fourcade's Secret War: The Daring Young Woman Who Led France's Largest Spy Network Against Hitler

Citizens of London: The Americans Who Stood with Britain in Its Darkest, Finest Hour

A Woman of No Importance: The Untold Story of the American Spy Who Helped Win World War II

Last Hope Island: Britain, Occupied Europe, and the Brotherhood That Helped Turn the Tide of War

Three Ordinary Girls: The Remarkable Story of Three Dutch Teenagers Who Became Spies, Saboteurs, Nazi Assassins–and WWII Heroes

Code Name: Lise: The True Story of the Woman Who Became WWII's Most Highly Decorated Spy

Agent Sonya: Moscow's Most Daring Wartime Spy

Final Transgression: One Woman’s Tragic Destiny in War-torn France

A Question of Honor: The Kosciuszko Squadron: Forgotten Heroes of World War II

Those Angry Days: Roosevelt, Lindbergh, and America's Fight Over World War II, 1939-1941