The Bletchley Riddle by Ruta Sepetys
A thrilling middle grade historical adventure from bestselling authors Ruta Sepetys and Steve Sheinkin
Remember, you are bound by the official secrets act...
It is the summer of 1940. The world is at war. These days, you dont know who you can trust or who might be a secret spy
Maths whizz Jakob Novis has been recruited to the secret codebreaking centre at Bletchley Park. As Jakob works to crack the Nazis Enigma cipher, his younger sister Lizzie is busy on an undercover mission of her own: to find their mother.
Filled with codes to decipher and mysteries to unravel, this is the unputdownable historical adventure that will have you on the edge of your seats.
'A thrilling World War II code-breaking adventurefilled with ciphers, secrets, and spies.'Alan Gratz,New York Timesbestselling author ofRefugee