Query: spy books non fuction
A Woman of No Importance: The Untold Story of the American Spy Who Helped Win World War II
The Spy and the Traitor: The Greatest Espionage Story of the Cold War
The Wolves at the Door: The True Story of America's Greatest Female Spy
A Spy Among Friends: Kim Philby and the Great Betrayal
Double Cross: The True Story of the D-Day Spies