The Chronicles of Narnia (although we do not learn their surname until "The Voyage of the Dawn Treader"), and eventually become Kings and Queens of Narnia reigning as a tetrarchy. Although introduced in the series as children, the siblings grow up into adults while reigning in Narnia. They go back to being children once they get back to their own world, but feature as adults in "The Horse and His Boy" during their Narnian reign. All four appear in "The Lion, the Witch, and the Wardrobe" and "Prince Caspian"; in the latter, however, Aslan tells Peter and Susan that they will not return, as
Religion in The Chronicles of Narnia Christian theological concepts into his Narnia stories; it is something that occurred as he wrote them. As he wrote in "Of Other Worlds" (1982): Lewis, an expert on the subject of allegory and the author of "The Allegory of Love", maintained that the "Chronicles" were not allegory on the basis that there is no one-to-one correspondence between characters and events in the books, and figures and events in Christian doctrine. He preferred to call the Christian aspects of them "suppositional". This indicates Lewis' view of Narnia as a fictional parallel universe. As Lewis wrote in a letter to a Mrs