Aurore by Graham Hurley

'Tense, absorbing and faultlessly plotted' Sunday Times.
Barely half of the Bomber Command's aircrews survive a full tour, but wireless operator Billy Angell has beaten the odds and completed his 30th - and final - mission. Now, Billy is due two-weeks leave, a posting to a training squadron and a six-month exemption from active duty.
Except that MI5 need an airman to drop into Nazi-occupied France.
MI5 are interested in Hélène Lafosse, a Frenchwoman keeping unusual company in her small family château in the depths of the Touraine. Hélène has begun an affair with a senior Abwehr intelligence officer, who, in return, has turned a blind eye to the succession of Jews, refugees, resistance fighters and downed Allied airmen to whom she offers shelter. MI5 believe they can exploit this relationship and plant a false lead about the anticipated allied invasion of northern France.
It falls to Billy, playing a downed...

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