Book
The Bletchley Riddle
by Ruta Sepetys
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Britain, summer 1940. Nineteen-year-old Jakob Novis joins the secret codebreaking operation at Bletchley Park, where mathematicians, linguists and intelligence officers are trying to penetrate Germany’s Enigma communications. His fourteen-year-old sister Lizzie is brought into the same guarded world while refusing to accept the official explanation for their mother’s disappearance.
As the Battle of Britain intensifies, mysterious messages suggest that the family mystery may be connected to the work behind Bletchley’s gates. Jakob and Lizzie follow separate trails through ciphers, surveillance and wartime secrecy, but solving either puzzle requires the quarrelsome siblings to combine their skills without revealing information protected by the Official Secrets Act.