Codebreaker Girls : A Secret Life at Bletchley Park by Jan Slimming (2023, Trade
A Secret Life at Bletchley Park. Codebreaker Girls. The three years at Bletchley Park were Daisy’s university, but having closed the door in 1945 on her hidden role of national importance — dealing with Germany, Italy and Japan — this significant period in her life was camouflaged for decades in the filing cabinet of her mind.