My Beautiful Enemy — Sherry Thomas

In this spellbinding romance by the acclaimed author of "The Luckiest Lady in London," a beautiful and cunning woman meets her match in a man just as dangerous and seductive as she is, putting both her heart and her future at risk...

Hidden beneath Catherine Blade's uncommon beauty is a daring that matches any man's. Although this has taken her far in the world, she still doesn't have the one thing she craves: the freedom to live life as she chooses. Finally given the chance to earn her independence, who should be standing in her way but the only man she's ever loved, the only person to ever betray her.

Despite the scars Catherine left him, Captain Leighton Atwood has never been able to forget the mysterious girl who once so thoroughly captivated him. When she unexpectedly reappears in his life, he refuses to get close to her. But he cannot deny the yearning she reignites in his heart.

Their reunion, however, plunges them into a web of espionage, treachery, and deadly foes. With everything at stake, Leighton and Catherine are forced to work together to find a way out. If they are ever to find safety and happiness, they must first forgive and learn to trust each other again...