Peter Pevensie is a fictional character in C. S. Lewis's The Chronicles of Narnia series. Peter appears in three of the seven books; as a child and a principal character in The Lion, the Witch and the Wardrobe and Prince Caspian, and as an adult in The Last Battle. He is only mentioned in The Horse and His Boy in which he is away on the northern frontier fighting giants and in The Voyage of the Dawn Treader in which he is studying under the tutelage of Professor Kirke.