Book excerpt: As financial analyst for the Fortune foundation, Nicholas Fortune was used to crunching numbers—not changing diapers. But when he learned he'd just become temporary guardian—to triplets!—the overwhelmed new father needed to find a nanny, pronto. Charlene London was the answer to the Texas bachelor's prayers, even if she couldn't see it. And though it took no time for the three baby girls to steal Charlene's heart, their substitute dad was another story. Because her sexy boss was strictly off-limits, even if her job was just temporary. Unless he made her another offer—one she couldn't refuse….