A thrilling middle grade historical adventure from bestselling authors Ruta Sepetys and Steve Sheinkin
**Shortlisted for the Young Quills Award for Historical Fiction 2025**
Remember, you are bound by the official secrets act...
It is the summer of 1940. The world is at war. These days, you don’t 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 Nazi’s 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 adventure filled with ciphers, secrets, and spies.' Alan Gratz, New York Times bestselling author of Refugee
'Exquisite historical storytelling! I only wish I could read it again for the very first time.' Jennifer A. Nielsen, #1 New York Times Bestselling author of Iceberg
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Ruta Sepetys is a New York Times bestselling author and winner of the Carnegie Medal. She was born and raised in Michigan in a family of artists, readers, and music lovers. The daughter of a refugee, Ruta is drawn to underrepresented stories of strength through struggle and hopes to give voice to those who weren't able to tell their story. Her award-winning
More about Ruta SepetysSteve Sheinkin is the award-winning author of several fascinating books on American history, including The Notorious Benedict Arnold , which won the YALSA Award for Excellence in Nonfiction for Young Adults and the Boston Globe/Horn Book Award for nonfiction. His recent book Bomb was a Newbery Honor Book, National
More about Steve Sheinkin