The Chronicles of Narnia: Prince Caspian go back to England, leaving Caspian as King of Narnia. Before the release of "", the screenplay for the sequel "Prince Caspian" had already been written. Director Andrew Adamson said the decision was made to follow the publication order of the novels because "if we don't make it now we'll never be able to, because the [actors will] be too old". "Prince Caspian", the second published novel in the series, is the fourth chronologically. "The Horse and His Boy" takes place during a time only hinted at in "The Lion, the Witch and the Wardrobe". The writers briefly considered combining
The Chronicles of Narnia song "Further Up, Further In" from the album "Room to Roam" by The Waterboys is heavily influenced by "The Chronicles of Narnia", with the title coming from a passage in "The Last Battle". C. S. Lewis is acknowledged in the liner notes as an influence. A convert to Christianity in later life, Lewis had authored a number of works on Christian apologetics and other literature with Christian-based themes before writing the "Narnia" books. The character Aslan is widely accepted by literary academia as being based on Jesus Christ. Lewis did not initially plan to incorporate Christian theological concepts into his