First of all, my sympathies to the author for the loss of her father, but he gave her good feedback in that her books have too many characters.
When you need a family tree to keep characters straight, you'd better be writing something epic. And this ain't it.
The sort of teens who think that "Gossip Girls" and "Pretty Little Liars" are great literature may eat this one up with a spoon. But I found it trite. And Seigel may find herself witty and her characters wacky/touching/whatever, but I found them cartoony and uninteresting. Bleh.