Alan Turing: Computing genius and wartime code breaker
Australian Code Breakers
The Bondage Breaker: Overcoming Negative Thoughts, Irrational Feelings, Habitual Sins
The secret war : the inside story of the code makers and code breakers of World War II
Secret Warriors: The Spies, Scientists and Code Breakers of World War I
Teachers and Code-Breakers: The Latin Genesis Tradition, 430-800
Alan Turing: computing genius and wartime code breaker
Teachers and code-breakers: the latin Genesis tradition, 430-800
Code Breakers: Riveting Reads for Curious Kids (Mega Bites)
Alan Turing: Computing Genius and Wartime Code Breaker (Makers of Modern Science)