His twins might be wild...But she knows just how to tame them—and their fatherEarthquake expert Dax Calder brings his eleven-year-old twins to the Serengeti to fulfill a promise to his late wife—never leave the girls. Meeting free-spirited teacher Pippa Harper feels like serendipity. She’s the perfect nanny for his mischievous twosome, even if her definition of rules is slightly different than his. But there’s one rule Dax never expected to break…falling in love again.