Alan Turing: The Enigma: The Book That Inspired the Film The Imitation Game - Updated Edition

ALAN TURING: ENIGMA: The Incredible True Story of the Man Who Cracked The Code

Turing's Vision: The Birth of Computer Science (The MIT Press)

Alan Turing: The Enigma Man

The Secret Lives of Codebreakers: The Men and Women Who Cracked the Enigma Code at Bletchley Park

Codebreakers: The Inside Story of Bletchley Park

Enigma: The Battle for the Code

Colossus: The secrets of Bletchley Park's code-breaking computers

The Secret Life of Bletchley Park: The WWII Codebreaking Centre and the Men and Women Who Worked There

A Beautiful Mind

Alan M. Turing: Centenary Edition