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 Chronicles of Narnia: The Voyage of the Dawn Treader draft written by Richard LaGravenese and Steven Knight. The previous two films have been described as remaining more faithful to the original stories than the third installment. Apted noted the episodic and disconnected nature of the story would need to be revised for a film version, such as the material involving the Dark Island, the Sea Serpent, and Eustace. They even discussed combining "The Voyage of the Dawn Treader" with "The Silver Chair", much as the BBC combined "Dawn Treader" and "Prince Caspian" in its television serial. As a result, some elements were borrowed from "The Silver Chair", where Narnians