Underworld by Meg Cabot
The story of Persephone is one of the most famous in all of Greek mythology, so why is it so darn hard to find some solid details of her fate and how she ended up trapped with Hades? In this sequel to "Abandon," Pierce tries to find out a way to escape the fates, the Underworld, and her sometimes-captor John, and figure out if 'escape' is really what's best for her.