The Secret Life of Bletchley Park: The WW11 Codebreaking Centre and the Men and Women Who Worked ThereSinclair McKay
The Lost World of Bletchley Park: The Illustrated History of the Wartime Codebreaking CentreSinclair McKay
The Secret Listeners: How the Y Service Intercepted the German Codes for Bletchley ParkSinclair McKay
The Secret Life of Fighter Command: Testimonials from the Men and Women Who Beat the LuftwaffeSinclair McKay