The Silver Chair King Caspian; by failing to greet him they have missed the first Sign. Trumpkin the Dwarf, now Lord Regent and very elderly and deaf, provides Jill and Eustace with rooms in Cair Paravel, but on the advice of Glimfeather the Owl they make no mention of their quest. Glimfeather summons them to a Parliament of his fellow talking owls, who explain that Prince Rilian disappeared a decade earlier while searching for the green serpent that killed his mother. Jill and Eustace are flown to the marshes on the northern edge of Narnia where they meet their guide, Puddleglum, a gloomy
The Silver Chair accompany Eustace and Jill back to their own world for a brief time, where they drive off the bullies before Caspian returns to Aslan's Country. Experiment House becomes a well-managed school, and Eustace and Jill remain good friends. In Chapter IV of the book, an owl speculates that the Lady of the Green Kirtle – the enchantress of the Underworld – may be "one of the same crew" as the White Witch from "The Lion, The Witch, and the Wardrobe" and "The Magician's Nephew". Some readers have suggested that she may in fact be the White Witch brought back to