A thrilling mystery adventure set in Bletchley Park at the start of World War II, based on true events. Perfect for fans of Phil Earle and Hilary McKay.
"A highly original, gripping World War II story" - Emma Carroll
Twelve-year-old Robyn has grown up in Bletchley Park, where her father works as a driver. When she's not at school, there's nothing she likes more than helping her dad in the garages.
Then the war begins and everything at Bletchley changes.
