Sepetys, Ruta,

The Bletchley riddle / Ruta Sepetys and Steve Sheinkin. - 392 pages : illustrations ; 20 cm

"A house of secrets, a war of codes"--Dust jacket.

In the summer of 1940, siblings Jakob and Lizzie Novis find themselves at Bletchley Park, where Jakob works to crack Nazi codes while Lizzie investigates the mysterious disappearance of their mother, only to discover that the two mysteries are intertwined.

Ages 10-14.

ISBN: 9780593527559 9780593527559 0593527550

Subjects--Topical Terms:
Code and cipher stories.
Missing persons
Official secrets
Siblings
World War, 1939-1945
World War, 1939-1945

Dewey Class. No.: Fic