A stunning collaboration between award-winning and bestselling authors Ruta Sepetys and Steve Sheinkin. This is Ruta’s first historical novel for middle-grade readers. Summer, 1940. Nineteen-year-old Jakob Novis and his quirky younger sister Lizzie share a love of riddles and puzzles. And now they’re living inside of one. The quarrelsome siblings find
themselves amidst one of the greatest secrets of World War II—Britain’s eccentric codebreaking factory at Bletchley Park. As Jakob joins Bletchley’s top minds to crack the Nazi’s Enigma cipher, fourteen-year-old Lizzie embarks on a mission to solve the mysterious disappearance of their mother.

The Battle of Britain rages and Hitler’s invasion creeps closer. And at the same time, baffling messages and codes arrive on their doorstep while a menacing inspector lurks outside the gates of the Bletchley mansion. Are the messages truly for them, or are they a trap? Could the riddles of Enigma and their mother’s disappearance be somehow connected? Jakob and Lizzie must find a way to work together as they race to decipher clues that unravel a shocking puzzle that presents the ultimate challenge: How long must a secret be kept?


Remember, you are bound by the Official Secrets Act…


Educational Resources for The BLETCHLEY RIDDLE

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Alan Gratz – New York Times bestselling author of Refugee

“Break out your Enigma machines! Sepetys and Sheinkin have written a thrilling World War II code-breaking adventure filled with ciphers, secrets, and spies.”

Jennifer A. Nielsen – #1 New York Times Bestselling Author

“I loved every single page of this book. The Bletchley Riddle is exquisite historical storytelling! I only wish I could read it again for the very first time..”

Kimberly Brubaker Bradley – Newbery Honor author of The War That Saved My Life

“Brilliant! A seamless collaboration produces a genius tale with incredible historical twists! I loved reading this book.”

James Ponti – New York Times bestselling author of City Spies

“In The Bletchley Riddle, two of the absolute best writers in kid lit have come together to craft an amazing work of historical fiction. This book has adventure, excitement, humor, heroism, and heart set against a backdrop with the highest stakes imaginable.”