Double Cross: The True Story of the D-Day Spies

Agent Zigzag: A True Story of Nazi Espionage, Love, and Betrayal

Operation Mincemeat: How a Dead Man and a Bizarre Plan Fooled the Nazis and Assured an Allied Victory

A Spy Among Friends: Kim Philby and the Great Betrayal

Operation Mincemeat: How a Dead Man and a Bizarre Plan Fooled the Nazis and Assured an Allied Victor

Agent Zigzag: A True Story of Nazi Espionage, Love, and Betrayal

Rogue Heroes: The History of the SAS, Britain's Secret Special Forces Unit That Sabotaged the Nazis and Changed the Nature of War

Agent Garbo: The Brilliant, Eccentric Secret Agent Who Tricked Hitler and Saved D-Day

The Englishman's Daughter: A True Story of Love and Betrayal in World War I

A Man Called Intrepid: The Secret War

The Billion Dollar Spy: A True Story of Cold War Espionage and Betrayal