Best YA for Young Women (Quarterfinal 2)

What is the best book (or series) marketed to young women?   

Our second quarterfinal is live! Come vote for which titles will go on to the semifinals.

Everyone will get three (3) votes. The top four will go on to the semifinals.

The poll itself is on the bottom left of the side menus, below the "About the Author." 

These quarterfinals will only be up for a week so that we can move on to the semifinals and the final round in a timely manner. Vote quickly.