When Lucy and Edmund Pevensie, together with their cousin Eustace, are swallowed into a painting and transported back to Narnia, they join King Caspian and a noble mouse named Reepicheep on board the magnificent ship The Dawn Treader. They travel to mysterious islands, confront fantastic creatures and reunite with the Great Lion Aslan on a mission that will determine the fate of Narnia. https://cosmiccauldronbooks.com.au/p/the-voyage-of-the-dawn-treader-c-s-lewis/