The Silver Chair late 1990. It was the fourth and last of the Narnia books that the BBC adapted for television. On 1 October 2013, The C.S. Lewis Company announced that it had entered into an agreement with The Mark Gordon Company to jointly develop and produce "", following the film series' mirroring of the novel's publication order (in contrast to Walden Media's initial pushing for "The Magician's Nephew" during planning for a fourth film). Mark Gordon and Douglas Gresham along with Vincent Sieber, the Los Angeles-based director of The C.S. Lewis Company, will serve as producers and work with The Mark Gordon
The Silver Chair earthmen, who take them aboard a boat across the subterranean Sunless Sea to the city ruled by the Lady of the Green Kirtle. She herself is away, but her protégé, a young man, greets the travellers pleasantly. He explains that he suffers from nightly psychotic episodes, and during these episodes he must, by the Lady's orders, be bound to a silver chair; for if he is released, he will turn into a deadly green serpent and kill everyone in sight. The three travellers determine to witness the youth in his torment, as they sense it could be the key to