Nathan's father has been arrested. He works for the Ministry of Defence
and is accused of leaking top secret information. But as he
is dragged into a police car, he gives Nathan a message. It leads
to a riddle, but it's not from Dad. It's from an ex-Bletchley
Park employee, Lily Kenley, and was written in 1940.
Nathan begins to follow the clues left behind by Lily. But how can
this war-time story link to his father's fate? Hope for Dad's appeal
is fading fast. He must solve the puzzle. Time is running out.
- ISBN13 9781407166681
- Publish Date 3 December 2015 (first published 3 May 2012)
- Publish Status Out of Print
- Out of Print 1 November 2023
- Publish Country GB
- Imprint Scholastic
- Format eBook (EPUB)
- Pages 256
- Language English