The London Cage: The Secret History of Britain's World War II Interrogation Centre

100 Deadly Skills: The SEAL Operative's Guide to Eluding Pursuers, Evading Capture, and Surviving Any Dangerous Situation

Countdown to Zero Day: Stuxnet and the Launch of the World's First Digital Weapon

MI9: A History of the Secret Service for Escape and Evasion in World War Two

The Walls Have Ears: The Greatest Intelligence Operation of World War II

Imminent: Inside the Pentagon's Hunt for UFOs

The King's Most Loyal Enemy Aliens: Germans Who Fought for Britain in the Second World War

Churchill's Ministry of Ungentlemanly Warfare: The Mavericks who Plotted Hitler's Defeat

Women in Intelligence: The Hidden History of Two World Wars

Becoming Bulletproof: Life Lessons from a Secret Service Agent

Why I Became an X Troop Commando: A Life of Colin Anson, the German who Fought for Churchill

Robert Ludlum's The Arctic Event: A Covert-One novel

The Jakarta Method: Washington's Anticommunist Crusade and the Mass Murder Program that Shaped Our World

Surprise, Kill, Vanish: The Definitive History of Secret CIA Assassins, Armies and Operators

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

The Operators: On The Street with Britain's Most Secret Service

100 Deadly Skills: Survival Edition: The SEAL Operative's Guide to Surviving in the Wild and Being Prepared for Any Disaster

The Day After Roswell

A Spy Among Friends: Now a major ITV series starring Damian Lewis and Guy Pearce

No Place to Hide: Edward Snowden, the NSA, and the U.S. Surveillance State