The Chronicles of Narnia (film series) that they intended "The Magician's Nephew" to be next in the series, but stressed that it was not yet in development. In October 2011, Douglas Gresham stated that Walden Media's contract with the C. S. Lewis estate had expired, hinting that Walden Media's lapse in renegotiating their contract with the C. S. Lewis estate was due to internal conflicts between both companies about the direction of future films. On 1 October 2013, The C. S. Lewis Company announced a partnership with The Mark Gordon Company, and that "The Chronicles of Narnia: The Silver Chair" was officially in pre-production. , based
The Chronicles of Narnia by arguing that the astrological associations grew in the writing: A quantitative analysis on the imagery in the different books of "The Chronicles" gives mixed support to Ward's thesis: "The Voyage of the Dawn Treader", "The Silver Chair", "The Horse and His Boy", and "The Magician's Nephew" do indeed employ concepts associated with, respectively, Sol, Luna, Mercury, and Venus, far more often than chance would predict, but "The Lion, the Witch, and the Wardrobe", "Prince Caspian", and "The Last Battle" fall short of statistical correlation with their proposed planets. George MacDonald's "Phantastes" (1858) influenced the structure and setting of "The