The Silver Chair Jill shows off by approaching the edge, and Eustace, trying to pull her back, falls over the edge. Aslan appears and saves Eustace by blowing him to Narnia. He charges Jill with helping Eustace find King Caspian X's son, Prince Rilian of Narnia, who disappeared some years before. He gives Jill four Signs to guide them on their quest and then blows Jill into Narnia, where Eustace is already waiting by a great castle. They watch as an elderly and frail man takes ship and sails from the harbour. To Eustace's dismay, they learn that the departing King is actually
The Chronicles of Narnia Caspian", "The Voyage of the Dawn Treader" and "The Horse and His Boy", were already complete, they were not released immediately at that time, but instead appeared (along with "The Silver Chair") one at a time in each of the subsequent years (1951–1954). The last two books ("The Magician's Nephew" and "The Last Battle") were published in the United Kingdom originally by The Bodley Head in 1955 and 1956. In the United States, the publication rights were first owned by Macmillan Publishers, and later by HarperCollins. The two issued both hardcover and paperback editions of the series during their tenure