THE HIDDEN HEROINE OF WORLD WAR II: The Extraordinary Life of Elizebeth Smith Friedman, America’s First Female Codebreaker Who Took Down Spies, Smugglers, and Nazi Saboteurs Before the CIA Existed

The Bletchley Park Codebreakers : Michael Smith (Editor)

Heaven’s Codebreaker: The Life and Secrets of Isaac Newton (The Codebreakers)

Codebreaker

The Bletchley Park Codebreakers : Michael Smith Ralph Erskine

The Codebreaker and the Duke

Lady Codebreaker

Crowns and Codebreakers

The Codebreaker's Daughter

Codemakers and Codebreakers (Cryptography)

Agent 21 – Codebreaker

The Bletchley Park Codebreakers By Ed. Michael Smith,Ed. Ralph Erskine Biteback

Codemakers and Codebreakers (Cryptography)

Charlie Crump - Codebreaker

Portrait of Loyalty: 3 (The Codebreakers)

Codebreaker - The Alan Turing Story

The Parable of Codebreaker Child

Codebreaker In The Far East

HAWKING: The Mind That Would Not Die (The Codebreakers)

The Bletchley Park Codebreakers in Their Own Words

Codebreakers: The Secret War of Intelligence

On Wings of Devotion: 2 (The Codebreakers)

TICOM: the Hunt for Hitler’s Codebreakers