Widowed firefighter Danny Santori needs a miracle. Or at least a full-time babysitter who can handle his four lively kids. With a son and daughter to raise, busy landscape designer Tessa Doherty could also use some divine domestic intervention. All they have to do is take turns watching each other's children. What could be simpler? Doing double duty as a stand-in nanny is wreaking havoc with Tessa's life. And her irresistible attraction to the roguishly...