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 eventually swallowed up by the evil Calormene god Tash. The main setting of "The Chronicles of Narnia" is the world of Narnia constructed by Lewis and, in "The Magician's Nephew", the world containing the city of Charn. The Narnian and Charnian worlds are themselves posited as just two in a multiverse of countless worlds that includes our own universe, the main protagonists' world of origin. Passage between these worlds is possible, though rare, and may be accomplished by various means. Narnia itself is described as populated by a wide variety of creatures, most of which would be recognisable to those