A forever friend

"Willa Dunlap is thrilled that Kate, her best friend from Chicago, is finally coming to Chincoteague for a visit. But it's been a whole year since they've seen each other, Willa soon realizes their friendship is not as easy as it once was. Kate is dressed in fancy clothes and wears sparkly nail polish. Nail polish? When did that happen? And what other surprises will Kate have?"--Provided by publisher.