Prince Caspian: The Return to Narnia (1951) tells the story of the Pevensie children's second trip to Narnia where they discover that an evil king from Telmar has taken control. The Voyage of the Dawn Treader (1952) has them accompany King Caspian on a voyage to find seven banished lords. The Silver Chair (1953) has Aslan call Eustace back to find missing Prince Rilian.
The Horse and His Boy (1954) is the story of a talking horse called Bree and a boy called Shasta, who have been held in bondage in a country near Narnia. The Magician's Nephew (1955) brings us to the beginnings of Narnia when Aslan creates the world and evil enters. Finally, The Last Battle (1956) chronicles the end of Narnia.