The Silver Chair is a return to the roots of the series, the rescue from the worst. In the sixth installment, we see an old character, Eustace, and his schoolmate Jill Pole who are tormented by bullies. In escape from ridicule, they run into the end of their world and the beginning of Narnia. Led by directions from Aslan, they are sent to find the lost prince Rilian, the son of Caspian the Seafarer. They journey into the bowels of the earth and the land of the Giants on the search to rescue the prince from evil forces, reminscent of the ones facing the pevensies in the second book.