Chronicles of Narnia Book 6. Drawn back to Narnia, Eustace Scrubb and his new friend Jill Pole are sent to rescue a captive prince. In a world where evil weaves a spell, Giants and Marsh-wiggles can be friend or foe, but the stakes are raised when they reach Underland and come face-to-face with a notorious and terrifying opponent.
This was the fourth book written in The Chronicles of Narnia. It now stands as the sixth book in the series.