History of Enigma Code in World War II

Enigma U-Boats: Breaking the Code

By Jak P Mallmann Showell

Enigma: The Battle For The Code

By Hugh Sebag-Montefiore

On Intelligence: The History of Espionage and the Secret World

By Colonel John Hughes-Wilson

Churchill and Tito: SOE, Bletchley Park and Supporting the Yugoslav Communists in World War II

By Christopher Catherwood

No More Secrets: My part in codebreaking at Bletchley Park and the Pentagon

By Betty Webb, Kerry Howard

The Secret War: Spies, Codes and Guerrillas 1939–1945

By Hastings, Max

Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939-1943

By David Kahn

A Wren's Tale - the Secret Link to Bletchley Park: Memoirs of a Radio Mechanic at Scarborough Listening Station in the Second World War

By Muriel Davison

Capturing Enigma: How HMS Petard Seized the German Naval Codes

By Stephen Harper

Enigma: The Untold Story of the Secret Capture

By David Balme, Peter Hore

Code Warriors: NSA's Codebreakers and the Secret Intelligence War Against the Soviet Union

By Stephen Budiansky

The Debs of Bletchley Park and Other Stories

By Michael Smith

Saving Bletchley Park: How #socialmedia saved the home of the WWII codebreakers

By Sue Black

The Secret War: Spies, Codes and Guerrillas 1939-1945

By Hastings, Max

Hunting Evil

By Guy Walters

Station X: The Code Breakers of Bletchley Park

By Michael Smith

Britain's Best Kept Secret: Ultra's Base at Bletchley Park

By Ted Enever

The Codebreakers of Bletchley Park: The Secret Intelligence Station that Helped Defeat the Nazis

By Sir John Dermot Turing, Professor Christopher Andrew

A Spy Named Orphan: The Enigma of Donald Maclean

By Roland Philipps

Lorenz: Breaking Hitler's Top Secret Code at Bletchley Park

By Jerry Roberts, Paddy O'Connell

Britain's Best Kept Secret: Ultra's Base at Bletchley Park

By Ted Enever

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

By Giles Milton

The Secret Life of Bletchley Park: The History of the Wartime Codebreaking Centre by the Men and Women Who Were There

By Sinclair McKay

The Battle of Normandy 1944 (Cassell Military Paperbacks)

By Neillands, Robin

The Bletchley Girls: War, secrecy, love and loss: the women of Bletchley Park tell their story (Extraordinary Lives, Extraordinary Stories of World War Two)

By Dunlop, Tessa

Churchill's Bomb: A hidden history of Britain's first nuclear weapons programme

By Farmelo, Graham

Agent M: The Lives and Spies of MI5's Maxwell Knight

By Hemming, Henry

Bletchley Park: The Code-breakers of Station X (Shire Library)

By Smith, Michael

The Hut Six Story : Breaking the Enigma Codes

By Welchman, Gordon

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

By Milton, Giles