Nan revisits 721 Park, home of the moneyed but morally bankrupt Xs, and the boy she guiltily left behind in their inept care in this smart and sassy sequel to The Nanny Diaries. And though Nan has grown up a bit, married Harvard Hottie Ryan and traveled the world, the plight of the rich and stupid continues, as does Nan's new crusade to save former charge Grayer and his younger brother Stilton, renovate a crumbling East Harlem mansion and stick it out at a soulless Manhattan private school. Outcomes are deeply uncertain, though Nan is nothing if not a natural-born cheerleader: I know what I'm worth. Because I care for these kids, I do, right down to my toes, she says of her young charges in and out of school...