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 book: Lewis's interest in the literary symbolism of medieval and Renaissance astrology is more overtly referenced in other works such as his study of medieval cosmology "The Discarded Image", and in his early poetry as well as in "Space Trilogy". Narnia scholar Paul F. Ford finds Ward's assertion that Lewis intended "The Chronicles" to be an embodiment of medieval astrology implausible, though Ford addresses an earlier (2003) version of Ward's thesis (also called "Planet Narnia", published in the "Times Literary Supplement"). Ford argues that Lewis did not start with a coherent plan for the books, but Ward's book answers this