Mawer S.: The Girl Who Fell from the Sky

Marian Sutro is an outsider: the daughter of a diplomat, brought up on the shores of Lake Geneva and in England, half French, half British, naive yet too clever for her own good. But when she is recruited from her desk job by SOE to go undercover in wartime France, it seems her hybrid status - and fluent French - will be of service to a greater, more dangerous cause.