The Bletchley Riddle

The Bletchley Riddle was collaboratively written by Steve Sheinkin and Ruta Sepetys, both of whom are known for books with historical settings. Sheinkin usually writes nonfiction, with works such as Most Dangerous, Undefeated, Lincoln’s Grave Robbers, The Port Chicago 50, and Bomb. His titles have received a Newbery Honor, three Boston Globe-Horn Book Awards, and a Sibert Medal and Honor. He has been a finalist for the National Book Award three times.

Sepetys is a New York Times bestselling author of historical fiction. Born in America, she is the daughter of a Lithuanian refugee and expresses pride in her Baltic heritage. She received a Cross of the Knight of the Order by the Lithuanian President to honor her contributions to education and historical preservation. Her works have been published in over 60 countries and 40 languages. Between Shades of Gray is her most acclaimed novel and has been adapted into a graphic novel and a film, Ashes in the Snow. Out of the Easy, Salt to the Sea,