A Game of Spies — John Altman

It is February 1940, and England is desperate to find out when and how Hitler will make his move toward France. Sleeper agent Eva Bernhardt, seduced into spydom by the roguish MI6 agent Hobbs, comes into possession of a vital piece of information--and makes a run for it. Uncertain whom to trust, whether she is racing to her safety or to her death, Eva is about to take her future into her own hands--and with it, perhaps the future of the entire war...