The Bletchley Riddle

* New York Times Bestseller* Five starred reviews * #1 Indie Next Pick* ALA Notable Book This thrilling WWII mystery--a collaboration between award-winning and bestselling authors Ruta Sepetys and Steve Sheinkin--is now in paperback! Exclusive Barnes & Noble Edition Content: Author Q&A, A Guide to Secret Codes, A Note on History, Discussion Questions, Deleted Scenes, Timeline, and B&N Exclusive Ciphers! Remember, you are bound by the Official Secrets Act... 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 amid 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 inv