The Riddle of Bletchley

Summer 1940. Nineteen-year-old Jakob Novis and his younger sister Lizzie have grown apart, but they are united by a shared love for riddles and puzzles. And now they find themselves at the heart of one of the greatest secrets of the Second World War – the British codebreaking factory at Bletchley Park. While Jakob works on cracking the Nazi Enigma code, Lizzie is determined to solve the mysterious disappearance of their mother. The Battle of Britain rages and Hitler's invasion is looming. Can the siblings solve all the secrets without arguing themselves to death?