A Texan's Luck by Jodi Thomas

Army Captain Walker Larson is shocked when a captivating young woman walks into his office-claiming to be his wife. Unfortunately for Lacy, the handsome Texan didn't know his father bought him a woman in a "wife lottery," and he's not interested in settling down. Crushed, the broken beauty leaves her dreams behind and returns home to Cedar Point. Three years later, it's Lacy who's stunned when Walker shows up on her doorstep. Trading one tour of duty for another, he's been ordered to protect Lacy from an enemy out for revenge. Wanting nothing to do with her errant husband, Lacy is powerless to resist his protection-and passionate kisses. With a flicker of hope, can she forgive the seductive soldier who once drove her away?but now holds the key to her heart?