Anne Ashley 
Beloved Virago [EPUB ebook] 

A dangerous game of spies and seduction…Spirited Katherine O’Malley, sent to France to flush out a traitor, is prepared for discomfort, fear, even danger in her country’s service. She isn’t prepared to work with handsome rake Major Daniel Ross—posing as his wife! Katherine knows all about his womanizing ways, and she’s determined to resist his charms—no matter how strongly they affect her.But when Napoleon’s escape from Elba forces the pretend couple to flee across hostile France, Katherine has to trust Daniel absolutely. Even if that means letting him get intimately close….