The Betrayal by Kate Furnivall

Could you kill someone? Someone you love? Paris, 1938. This is the story of twin sisters divided by fierce loyalties and by a terrible secret. The drums of war are beating, and France is poised, ready to fall. One sister is an aviatrix, the other is a socialite, and they both have something to prove and something to hide. Discover a brilliant story of love, danger, courage...and betrayal.