The Chronicles of Narnia of several chapters of "Prince Caspian"; he is one of Caspian's rescuers and a leading figure in the "Old Narnian" rebellion, and accompanies the Pevensie children from the ruins of Cair Paravel to the Old Narnian camp. In "The Voyage of the Dawn Treader" we learn that Caspian has made him his Regent in Narnia while he is away at sea, and he appears briefly in this role (now elderly and very deaf) in "The Silver Chair". Reepicheep the Mouse is the leader of the Talking Mice of Narnia in "Prince Caspian". Utterly fearless, infallibly courteous, and obsessed with honour,
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