Crossing The Line (Taming The Tulanes #3)

Luke Tulane knew better than to touch her. Much less spend the night with her. But when he returns to Tennessee for yet another brother's wedding and discovers his little sister's best friend pregnant with his child, he knows he's really crossed the line. Doing the right thing is obvious—at least to him. 

But how do you convince a woman who's past is so traumatized by family drama that marriage to him might be worth facing her worst fears?