When Kari and Lucas first see Seneca Crane up on stage, playing the piano in front of hundreds of people, they are in awe. She is beautiful. She is amazingly talented. And she is only thirteen! But then they get to know her at the Edinburgh Arts Festival and realize that she envies them. Soon the three are becoming friends . . .until Seneca disappears. There's no stopping Kari and Lucas from jumping on the trail and tracking her down. Even when it...