The Chronicles of Narnia: The Lion, the Witch and the Wardrobe accidentally breaking a window, the four siblings retreat to the wardrobe and enter Narnia. They discover the Witch has taken Mr. Tumnus, and they meet Mr. and Mrs. Beaver, who tell them about Aslan. According to the beavers, Aslan intends to take control of Narnia from the Witch. The four must help Aslan; it has been prophesied that if two sons of Adam and two daughters of Eve sit in the four thrones, the White Witch's reign will end. Edmund sneaks off to visit the Witch. When he arrives at her castle, she is furious he has not delivered his
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