The Outsider: My Life in Intrigue

The Hard Way: Adapt, Survive and Win

Agent Storm: My Life Inside al-Qaeda

The Spy and the Traitor: The Greatest Espionage Story of the Cold War

Seven Troop

Thatcher's Spy: My Life as an MI5 Agent Inside Sinn Féin

Charlie One: The Story of an Irishman in the British Army and His Role in Covert Counter-Terrorism Operations

Outlaw Platoon: Heroes, Renegades, Infidels, and the Brotherhood of War in Afghanistan

The Regiment: 15 Years in the SAS

Breaking Cover: My Secret Life in the CIA and What it Taught Me About What's Worth Fighting For

Battle Scars: A Story of War and All That Follows

X Platoon

Immediate Action

Operation Mayhem

Bullet Magnet: Britain's Most Highly Decorated Frontline Soldier

Three Minutes to Doomsday: An Agent, a Traitor, and the Worst Espionage Breach in U.S. History

Blue: A Memoir – Keeping the Peace and Falling to Pieces