- E-bookThe Lost World of Bletchley ParkSinclair McKay
- E-bookThe Fire and the DarknessSinclair McKay
- E-bookMurder at No. 4 Euston SquareSinclair McKay
- E-bookThe Secret Life of Fighter CommandSinclair McKay
- E-bookThe Spies of WinterSinclair McKay
- E-bookThe Hidden History of Code-BreakingSinclair McKay
- E-bookDunkirkSinclair McKay