In just a few months Caitlin Calhoun went from a wife to a widow to a mother-to-be. All she'd wanted was to honor her dead husband by having his baby. But that's not what she got. Thanks to an unfortunate mix-up, her child's father is her husband's half brother, Lucky. So how does she break the news that he's about to become a father? Family is the last thing the war-toughened Marine expected to have--not with all the bad blood in his own. But Lucky would never turn his back on a child .or the woman who's given him a second chance...