In The Voyage of the Dawn Treader, Lucy and Edmund Pevensie return to Narnia with their annoying cousin, Eustace. Joining their friend King Caspian X and a brave mouse named Reepicheep on a sea voyage to the eastern end of the world, the three children experience the kind of dangers and adventures that only occur in the magical world of Narnia. The third of the Chronicles of Narnia, it was first published in 1952.