At Her Majestys Secret Service: The Chiefs of Britains Intelligence Service, MI6

The Second World War

Double Cross in Cairo: The True Story of the Spy Who Turned the Tide of War in the Middle East

The Choice: A true story of hope

Historical Dictionary of British Intelligence: Edition 2

The Last Stand of the Tin Can Sailors: The Extraordinary World War II Story of the U.S. Navy's Finest Hour

Hitler's Nest of Vipers: The Rise Of The Abwehr

The Rape of Nanking: The Forgotten Holocaust of World War II

Spycraft Secrets: An Espionage A-Z

SAS: Rogue Heroes: The authorized wartime history from the Sunday Times bestselling author

Historical Dictionary of Signals Intelligence

The Forgotten Soldier

Historical Dictionary of Cold War Intelligence

Panzer Ace: The Memoirs of an Iron Cross Panzer Commander from Barbarossa to Normandy

Historical Dictionary of Sexspionage

The Making of the Atomic Bomb

MI5: British Security Service Operations, 1909–1945: The True Story of the Most Secret counter-espionage Organisation in the World

Citizen Soldiers: The U.S. Army from the Normandy Beaches to the Bulge to the Surrender of Germany June 7, 1944, to May 7, 1945

The A to Z of British Intelligence

Panzer Commander: The Memoirs of Colonel Hans von Luck